Running Base Layer Tops

Optimize your performance with our collection of running base layer tops, designed for ultimate comfort and support. Crafted from moisture-wicking materials, these tops keep you dry and comfortable during your runs, while lightweight fabrics ensure breathability. With a snug fit that moves with you, our base layers provide essential warmth without bulk, making them perfect for layering in any weather. Explore a variety of styles and colors to find the ideal base layer top that enhances your running experience and helps you achieve your fitness goals.

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115 products
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Under Armour Women's Base 4.0 Long Sleeve Baselayer
  • Black/Pitch Gray

Under Armour Women's Base 4.0 Long Sleeve Baselayer

$100.00

(33)

What seems like another fleece, after my 7 miles sweaty run, the shirt is not soaked through in sweat and I still look good wearing it. ... Warm and comfortable layer, washes well with no shrinkage or

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5 Mom2025
Got this for my daughter, she is a teacher. Her room is cold and then she has bus duty periodically. So the 4. 0 is perfect for being somewhat sedentary. Surprisingly, actually keeps her warm! She is a chilly person normally, so cold temps are miserable for her. We 've tried many products. The Under Armour is work the investment!

5 KarenK11
I am always cold. This is the solution! Love it!

5 East Coaster
These are the best long underwear going. I mind the cold but not when wearing these.

5 Jea970
The fit is loose but not so lose that I would exchange for a smaller size. The shirt is warm but not too warm when inside. Outside it keeps me toasty at 30 degrees and I ’ m always complaining of being cold. All in all, I ’ m very happy with this purchase.

5
I recently purchased the Under Armour Base 4. 0 Crew, and it's exceeded expectations. This top delivers comfort, warmth, and performance.

Under Armour Men's Packaged Base 2.0 Crewneck Baselayer
  • Black/Pitch Gray

Under Armour Men's Packaged Base 2.0 Crewneck Baselayer

$60.00

(62)

Each of the Cold Gear Base Layers, base layer, base layer 2. 0 and base layer 3. 0 are great. ... I was able to move freely and warm, its a great first

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5 Micheile
Feels great keeps you warm

5 NHummingbird
Very comfortable and good for mild to moderate cold weather. I would recommend

5 Brian31
This 2. 0 is comfortable and warm. Perfect baselayer to shred the slopes with. Wicks moisture as advertised. Awesome shirt

5 Jeff H 150
Great fit and very comfortable. Very warm when out in the elements but not too hot while working inside. Would definitely buy another one.

5 Kpax1
This base layer is warm, comfortable and lightweight.

Under Armour Women's Base 3.0 Crewneck Baselayer
  • Black/Pitch Gray

Under Armour Women's Base 3.0 Crewneck Baselayer

$70.00

(32)

I love it because I don ’ t get too hot while running, but stay warm enough when it ’s cold outside. ... This product is my go- to for cold weather runs ... It ’s perfect and is now my preferred 1st layer of up to 4

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5 NonaElk
As expected wonderful. It ’s my third one

5 Rtin93
Great material fits really well Definitely going to be useful when worn during colder weather and feel like going for a run at the time

5 BiaE
Really warm underlayer. Used to ski on freezing temp and this plus good ski jacket was enough… even when it was snowing… The only thing is that it feels way different then the 2. 0 shirt. I also have one of that and the 3. 0 is more stiff and feels smaller. Specially in the neck and chest.

5 mrsguzzie
I purchased this Base Layer 3 shirt when I visited our local outlet store to place an order for another Under Armour shirt I liked. This shirt is thicker than a normal under layer shirt but is still comfortable if you wanted to wear additional layers. The cut of the shirt is super nice you might not want to hide it, though! It has thumb hole openings which are nice. I wore it alone several times since I bought it and was pleased at how well it kept me warm. I liked it so much I went to get a second one. They had sold out of the 3s but I snagged a 2 at least! My only negative comment would be it looks wrinkled when you remove it from the dryer. I only air dried it so maybe some heat might have gotten the wrinkles out. It's black so not that noticeable. Great shirt. I tried to get a 2nd one so obviously am happy with my purchase!

5 Stacy321
My husband has a few base layers and he loves them. I love the women's cut/size. It fits well and is super warm

Under Armour Men's Packaged Base 4.0 1/4 Zip Baselayer
  • Black/Pitch Gray

Under Armour Men's Packaged Base 4.0 1/4 Zip Baselayer

$90.00

(50)

This will be a great base layer for cold weather and great outer layer when the temps are cool or warmer. ... Awesome base layer ... Very happy with the layer, and more happy that it fits true to

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5 mwo131313
If you need a high- performance base layer for extreme cold, the UA Base 4. 0 ¼ Zip is one of the best options out there. Just bought my second one.

5 M2024
Great base layer, warm and comfortable

5 Jasonwithg
Good quality nice and warm

5 JKT91
amazingly, surprisingly warm.

5 Bearbabe
I work outside, and this 1/4 zip is my go to when the temp drops. I think I have 5 of them now... one for every day!

Under Armour Men's Packaged Base 3.0 Crewneck Baselayer
  • Black/Pitch Gray

Under Armour Men's Packaged Base 3.0 Crewneck Baselayer

$70.00

(81)

Excellent base layer for any outdoor sport!! ... Perfect for winter ... I work snow removal and this was perfect to wear. ... Warm and toasty ... Warm& Comfortable ... Keeps my legs toasty and

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5 JTBo
Excellent product…very warm

5 Base 3
Great feel true to size while being slightly snug which I prefer!

5 Kar1388
Super comfortable and snug fit. Perfect for cold weather

5 HB1153
I was pleasantly surprised by how warm this base layer really is. It made all the difference during outside chores this winter.

5 Proline1988
I work outside all year round minimum 8 hrs a day. I 've tried many different brands of long John's but nothing beats Under Armour Cold gear 3. 0. Keeps me warm and dry. Very comfortable to wear. Cost more than the traditional long johns but well worth it. I definitely recommend this product.

Patagonia Women's Capilene Midweight 1/2 Zip Baselayer Top
  • Smolder Blue
  • Black

Patagonia Women's Capilene Midweight 1/2 Zip Baselayer Top

$99.00

(3)

slim fit zip- neck styling with internal neck tape for added comfort; locker loop for hang drying raglan shoulder seams allow freedom of movement, with full underarm gusset for range of motion and chafe- free comfort long center- front zipper vents body heat and is backed by kissing welts for low-...

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5 KStano
This is a slim fit so I sized up. Greta feel and fit!

5 Se3smith
[ Thin, warm and true to size! The purple is a darker color. Which is nice. Can wear as a base layer or stand alone top. Ive worn skiing and tennis!

5 AB9182
[ This is the second capilene layer that I ’ ve purchased, love wearing this in cool weather or as a base layer when I ’ m skiing. I ’ ve had my first for a while and has maintained its fit.

Smartwool Men's Merino 250 1/4 Zip Baselayer Top

Smartwool Men's Merino 250 1/4 Zip Baselayer Top

$120.00

(42)

This is a great base layer for my walks to and from work. ... Excels as a base layer, size up if you want a shirt ... My husband loves them for an extra layer all fall, winter, and

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5 Raymond
[ Bought on sale great value. Love the quality of Smart Wool products.

5 Stylish all around shorts
[ Only recently became aware of Smartwool, saw this quarter zip, and love it! Fits well. Looks good. Very useful base wool layer. Now a fan of Smarwool.

5 Rancher
[ Smartwool has mastered the 1/4 zip merino base layer. I 've owned these for years and they never disappoint. Once the temp is below 20 degrees, I have one on every day. Perfect weight, perfect fit.

5 LeoK
[ I recently had the opportunity to try out the Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip, and I must say, it quickly became one of my favorite pieces of outdoor clothing. First and foremost, the quality of the merino wool used in this base layer is exceptional. The fabric is incredibly soft and comfortable against the skin, and it provides excellent insulation and warmth. I was impressed by how well it regulated my body temperature, keeping me warm in colder conditions and preventing overheating during more active pursuits. The natural moisture- wicking properties of merino wool also kept me dry and comfortable throughout my outdoor activities. The 1/4 zip design of this base layer is a great feature. It allows for easy ventilation and temperature control, especially during strenuous activities when you need to quickly release excess heat. The zipper is smooth and durable, and the collar provides added protection and warmth for the neck area. I found the fit of this base layer to be spot on. The slim yet stretchy design contours to the body without feeling restrictive, allowing for a full range of motion. The sleeves are the perfect length, and the shirt stays in place even during active movements. The overall construction feels solid, with flatlock seams that minimize chafing and enhance comfort. One of the standout features of this base layer is its odor resistance. Merino wool naturally has antimicrobial properties, meaning it inhibits the growth of odor- causing bacteria. Even after multiple days of use, the shirt remained fresh and odor- free, making it an excellent choice for multi- day hikes or backpacking trips when laundry facilities may be limited. Durability- wise, the Smartwool Men's Classic Thermal Merino Base Layer is impressive. The merino wool is robust and resistant to pilling, ensuring that the shirt maintains its quality and appearance even after repeated use and washes. I appreciated that it retained its shape and did n't stretch out over time. In terms of improvements, I would have liked to see a small zippered pocket or a media port for storing small essentials or routing headphone cables. This would have added convenience for those who like to listen to music or carry small items while on the move. Overall, the Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip exceeded my expectations in terms of comfort, performance, and durability. It is a versatile and reliable piece of outdoor clothing that provides excellent insulation, temperature regulation, and odor resistance. Whether you 're hiking, skiing, or engaging in any cold- weather activity, this base layer is a worthy investment that will keep you warm, dry, and comfortable throughout your adventures.

5 PDXPirate
[ I ’ ve worn them all. But smartwool has it figured out. They are the best in the business for warmer base layers. I literally wear the crew neck with a 1/4 zip under my uniform. It provides supreme warmth, breathable base, and keeps you dry. And these are flat out durable.

Smartwool Men's Merino Classic All-Season Base Layer Long Sleeve
  • Iron Heather
  • Black

Smartwool Men's Merino Classic All-Season Base Layer Long Sleeve

$90.00

(7)

Love the fit and breathability, a bit less wool and more synthetic than other brands I wear, but it works for me since this is a hiking base layer that I wear multiple times without washing- does n't get stretched out and dries

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5 Gandhi
[ Bought for a hiking baselayer. Expensive but I think its worth it. More comfy in the cold than a synthetic baselayer. Not a compression shirt. I use under a fleece. Does n't smell after a full day of hiking.

5 Jackie28
[ This is my second purchase of a Smartwool Men's Classic All- Season Merino LS Base Layer- this is a great lighter weight item that breathes well but is warm enough when it gets cooler.

5 Rover Dog
[ I own several Smartwool tops but this is one of my favorites. The slightly heavier material is ideal for stand alone yet still layers nicely. Never bulky. Quality is what you would expect from Smartwool. Excellent.

5 Tony99
[ I have tried more than one brand of merino tops Keep coming back to smart wool for best quality and fit. They also keep their shape. The price is inline with other brands

5 Thunderbolt417
[ I 've long been an unabashed devotee of all Smartwool products but their base layers, like the classic all- season merino long sleeve shirt, is truly the best money can buy. Since my days of living in the frigid mountains of northern Utah, I 've discovered the breathability of Smartwool's all- season merino long sleeve base layer makes it both the perfect shirt for keeping warm on winter's coldest days as well as ideal workout apparel. Smartwool base layers also make the best all- season pajamas imaginable. The all- season merino long sleeve shirt feels like a gentle hug when you slip it on, and remains comfortable until you 've completed your workout — whether it be a 3- mile hike in the frigid cold or a home gym weight training session. Smartwool has long been the gold standard for merino wool apparel. When you purchase your first Smartwool product, you 'll understand why.

Smartwool Women's Merino 250 Baselayer Top

Smartwool Women's Merino 250 Baselayer Top

$115.00

(68)

slim fit 100% merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance fit updated to improve functionality while enhancing aesthetics for a range of body shapes back body seam wraps to front for body- enhancing fit crew neck with...

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5 BGRD
[ This shirt is incredible. I wear them daily during the winter time so I wanted multiple. Smart wool shirts are warm and not itchy at all! I wear them hiking as well as under dressy tops to stay warm in the office.

5 reddread
[ I waited forever to get this on sale and now I wished I 'd bought several in different colors! Warm but breathable, and stylish enough to layer with a jacket for a business casual look. I ca n't wait to take this baby out to the slopes!

5 Beez
[ SmartWool is our go- to for liners. It's well fit, cozy, soft and super warm. It does n't itch and make you warm yet is great to wear inside and on mild days out. Got this one for my wife.

5 klili
[ I got this a couple weeks ago and it's been perfect, it's of course a great base layer, but for days when too many layers are n't needed it is perfect as a long sleeve T- shirt. Hoping to get a couple more to round out the winter layers

5 Springtime44
[ I love smartwool products! This is my second of this specific shirt! My first one was a medium, which is perfect for layering, very form fitting. So I purchased a second in a different color in a large to wear everyday!

Smartwool Women's Merino 250 1/4 Zip Baselayer Top
  • Black

Smartwool Women's Merino 250 1/4 Zip Baselayer Top

$120.00

(48)

slim fit baselayer top fit updated to improve functionality while enhancing aesthetics for a range of body shapes classic, comfortable crewneck design raglan sleeves achieve added comfort back body seam wraps to front for body- enhancing fit shoulder panels eliminate top shoulder seams flatlock...

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5 JaniceN
[ I bought this about a month ago in black and Heather gray. I do miles of outdoor walking every day and need a base layer for walking in the winter in Vermont. This works well as a first layer a shirt and my down jacket. Washed well in cold water, hang on a hanger to dry.

5 sof2024
[ This is my go- to base layer for skiing( or any other outdoor cardio activity... if I ever did one). It's form fitting and has great mobility. I always use merino fabric as my base layer since it's' breathable and odor- resistant. This top kept me warm but not overheated in 30 degree weather with a down ski jacket. I prefer to minimize my layers so this top paired with my jacket is all I need in everything but extremely cold or warm skiing weather. It's also stylish and looks good with ski pants on its own for apres!

5 Cutie
[ I love smartwool classic( midweight) baselayers. Live in Ohio where it's freezing winters and these tops work great as a baselayer or a stand alone top. They are wool so they breathe and it dries quickly if it gets damp( Unlike cotton). I have multiple smartwool tops& love them all.

5 VermontWinter
[ I bought this as a present for my daughter. It ’s perfect as an under layer for skiing. I can always count on Smartwool for quality products. She loves it!

5 Dog mom
[ It got really cold last week- 16 degrees- and I was glad I had purchased this Smartwool merino thermal top. It kept me warm during an hour hike and the material is so soft and cozy. A perfect winter base layer.

Adidas Men's Terrex Xperior Merino 150 Baselayer Long-Sleeve Top
  • Grey Five

Adidas Men's Terrex Xperior Merino 150 Baselayer Long-Sleeve Top

$100.00

(14)

slim fit can be worn as a baselayer or as is crewneck for easy on and off soft and breathable material with cooling feel flatlock seams to help seal in heat single- jersey fabric soft, lightweight material will keep you comfortable all day long longer in back, the curved hem keeps you covered on...

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5 Nikki12
Very comfortable shirt highly recommended by a size bigger as they run small

5 Dark55
Very light and weight and easy to move around in it

5 Matt09
Great shirt stands out in every way possible very light just had to upsize a size

5 Joey
I ’ m a taller guy and kinda of thinner but this shirt fit me perfect. Also hugged my chest really well and made me feel like a specimen. It ’s a bit expensive for base layer but I will be buying more of these for sure.

5 Wandabelle
He loves the gift and been wearing it in the summer when not too hot. Material is great quality.

Smartwool Women's Merino 250 Pattern 1/4 Zip Baselayer Shirt
  • Jade Marble

Smartwool Women's Merino 250 Pattern 1/4 Zip Baselayer Shirt

$115.00

(10)

100% merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance ... garment weight: 236g( 8.

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5 JSSK
[ Smartwool Merino lives up to its reputation. I would say top is true to size. Have not washed item yet, so caveat to be aware. Wish sleeves had thumb hold, but otherwise happy.

5 Epscad
[ Recently bought this Smartwool zip shirt. I love these shirts because they breathe well, fit well, and are not bulky. They keep in the warmth. I also order one size up because they shrink after several washes in the washer.

5 Agaa
[ Fits great, not itchy, very comfortable and breathable, warm and i like the color. It is consistent with Smartwool sizing. I usually wear M and it feels great!

5 Ada B
[ Just what I needed for a day of outdoor adventure. Warm and cozy baselayer for sub- zero days. Zips up my neck for extra warmth. Love the color as well.

5 NickName
[ Love the pattern and softness of this top. It ’s long enough to keep it from riding up over my ski pants. It is more fitted which is good to keep the warmth in and the pattern makes it cute enough to wear casually outside of winter sports.

On Sale
FP Movement Women's Right On Run Long Sleeve Layer
  • Pistachio

FP Movement Women's Right On Run Long Sleeve Layer

$19.58-$26.58

WAS: $58.00*

(3)

fitted; hits right at hip soft, smooth fabrication thumb holes seam stitching details at shoulder and body ruching at side seams for flattering silhouette offers support and comfort through light- to- medium intensity workouts and training hydrophobic fabric designed to keep your body dry during...

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5 Katiewuuuu
I love these shirts. They are so soft and so nice the material is so comfy on the skin.

5 JanineNemeth
light and well made. I like this for my workouts, running. It is a great layering top

4 lonrun
good material and feel i wear very often on runs and working out

On Sale
FP Movement Women's Printed Right On Run Long Sleeve Layer
  • Twilight Combo
  • Tortoise Shell Combo

FP Movement Women's Printed Right On Run Long Sleeve Layer

$47.99-$68.00

WAS: $68.00*

(1)

sublimely soft and so flattering, this long sleeve is the perfect workout layer, featuring a sweat- wicking, four- way stretch fabrication with seaming detail and side

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5 FPlover
I purchased in every size! Love Free People! They need to include free people movement in every single Dicks store!!

Nike Men's Trail Dri-FIT 1/2-Zip Mid Layer Top
  • Football Grey
  • Black

Nike Men's Trail Dri-FIT 1/2-Zip Mid Layer Top

$85.00

(3)

fit& design regular fit running top mock neck with 1/2 zip design long sleeves thumbholes let you extend your coverage and help hold the sleeves in place soft and stretchy poly- wool blend fabric has a waffle- like texture to help provide warmth and breathability technology nike...

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5 3dyers
Love this half zip top! I know it ’s men ’s ’ but I ordered it in a small and it fits perfectly! Very comfortable material and lightweight, perfect for running errands! I wish there were some brighter color ways other than the light blue, but definitely thinking of getting the maroon one as well!

5 charlesp772116876
This thing is too good. Perfect for cool days with big climbs. Fully unzip and roll the sleeves up on the way up and then zip back up and roll the sleeves down for the way down.

Nike Women's Trail Dri-FIT 1/4-Zip Running Mid-Layer Top
  • Black

Nike Women's Trail Dri-FIT 1/4-Zip Running Mid-Layer Top

$95.00

Quick Facts

standard fit: easy and traditional thumbholes let you extend your coverage and help hold the sleeves in place while you move watch windows on both sleeves make it easy to check time reflective nike trail logo on left

Marmot Women's Leda Racer Tank Top
  • Arctic Navy
  • Black

Marmot Women's Leda Racer Tank Top

$50.00

(5)

fitted sleeveless racerback design stretch performance fabric is brushed for comfort and easy movement midweight performance polyester knit blend is soft and comfortable made for hot days of hiking or trail running and will stay put no matter how hard you push your

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5 Jenn99
[ Nice fit and soft fabric. It's close fitting but not tight. I like the larger arm holes for movement and comfort. UPF 50 is a great added feature

5 johnnyr23
[ love it. very fun great fit awesome colors love!

5 djsouch5
[ This tank top is so soft, I love wearing it. The fits is right on the money, I 'm 5' 9 '' and purchased a M, it's form fitted but not too tight. This will be great at the gym andwith a pair of shorts.

5 Tommie
[ The cut is cute and the fabric feels great. This top works great for outdoor activities and casual dinner/lunch. I would recommend this product to my friends.

4 DeniseD
[ The material is a bit too heavy for being a running tank. However, the fit is great and it feels like a quality item.

New
Mountain Hardwear Men's AirMesh Long Sleeve Crew
  • Starfruit

Mountain Hardwear Men's AirMesh Long Sleeve Crew

$80.00

(9)

If I wanted a lightweight base layer for, say, the Ghost Shadow Hoody synthetic down jacket, it ’s an excellent pairing. ... It's a great base layer and good for cool/cold weather

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5 E Rubble
Reviewing this from the POV of an end user& tech fabric geek. Love the materials of the MH AirMesh. Already have the hoody; just bought the crew. Agree w/ those who say it's very warm when at standstill or w/ a wind layer over top, yet while moving or with wind and no wind layer it's like being naked. To me that says the fabric is functioning precisely how a base layer shoulder. Only con is hypothetical: delicate fabric. I 've had no issues with snags, pilling, abrasion, etc. But I would n't be surprised were I to, given the softness of the fibers and the openness of the fabric they 're arranged into. Cut/fit are unremarkable w/ exception of the somewhat high neck hole and the different accent fabric used there. Packs tiny, resilient fibers bounce back into shape immediately. Most comparable to the Patagonia Cap Air wool base layer, minus the itchiness/roughness and the ultra premium price point. Also, like Polartec Power Stretch pro, but much lighter and more airy fabric, fwiw.

5 Friestadt
I recently purchased a red version of the AirMesh. I find it incredibly warm for its weight. Packs down to nothing which is very helpful.

5 Ruff Ruff
[ My daughter bought me this shirt last year for my 90th birthday. In hot weather or cool temps it seems to trap the air and is the perfect shirt. I have gotten 3 more in sundry colors for myself, one for my wife, and a crew neck airmesh for my adult son.

5 Evan
In the first image, it is very light and breathable, but the fibers inside seem to be easily lost, and there are some fibers in the hand after a little scratch. I am 167cm tall and my bust is 98cm, so I wear a size M which is very comfortable. I bought 2 at the same time, for me it should be good for sweating a lot without losing warmth. I tried wearing it the other way around and it was a different feeling, like a normal sweatshirt. A very special piece of clothing, worth trying. When washing, do n't turn it around, it's better to put it in a laundry bag

5 JP
Love this shirt. Wear it all the time and have already ordered another one- so comfortable. If they eventually make a short sleeved version I 'll buy that, too. It's a great base layer and good for cool/cold weather chillin'. Be aware that there is zero wind blocking- it's a mesh fabric- you must have a shell if you 're hiking/skiing/walking to mailbox. That said- I 've hiked in 15- 20F with wind and just this base and a heavy shell no problem. Note: It's very `` roomy ''. Great for me, but if you 're a bean pole you may be swimming in it- think about that when selecting sizes.

On Sale
Nike Women's Therma-FIT Element Swift Turtleneck Running Top
  • Black
  • Red Sepia
  • Vintage Green

Nike Women's Therma-FIT Element Swift Turtleneck Running Top

See Price in Cart

WAS: $85.00*

(50)

It is warm but not picky; it is easy on and easy off; it is generous, and a perfect layering top; the thumb holes and cuffs are ample enough to use instead of gloves; the turtleneck is perfect as is, or worn higher around the

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5 CarolGer
Nice Nike product! Perfect to wear in chilly days.

5 WinterSportsFanatic
I needed some extra warmth through the recent polar vortex....... this was just the ticket for layering underneath my winter jacket. I received several compliments!

5 Lmg09
Got this for xmas, and ive been wearing it on every cold run and while skiing. The best part of the top is having the hole on the sleeve for your watch. My only complaint is that the pocket is too far to the side, but i can deal with it.

5 Miarolls
I bought this a month ago and finally got an opportunity to wear it and loved how it feels.

5 slv6
I bought this on clearance a month ago. It ’s so warm and cozy

Smartwool Men's Merino 250 Baselayer Crewneck Shirt

Smartwool Men's Merino 250 Baselayer Crewneck Shirt

$115.00

(99)

Perfect base for a layering system ... # Sweepstakes After having their all season or originally 150 merino clothing, this thermal merino is perfect for those cold morning

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5 Patches
[ Needed a thicker base layer for skiing on those colder days. Perfect addition.

5 Captain Jimmy
[ This base layer is really comfortable. It is warm and does not restrict movement. I wish I had found this earlier. Fit is true to size. I 'm not sure why anyone would not be happy with this- buy it!

5 Jbear
[ Merino is THE stuff for active comfort in the cold. The key is staying dry between rain, snow, and sweat... it's challenging. 100%( 95 and 88 also good) merino helps to achieve this goal. It's warm when you need it to be and water( all types) evaporates quickly to keep you from getting chilled from damp clothing. It's got to be part of a system though, and you have to use that system properly or you will get damp and cold. We just came back from five nights in our tent@ an avg. of 26F at night. After hiking all day in these and then, putting on fresh Smartwool tops and bottoms we were warm all night( we could have stayed in the same set if we had to). Medium weight is probably fine for most applications, but do be sure you 've got the right system for the conditions. In summer and spring it's less critical, but in winter( THE best time IMO)... having the wrong gear can make for a miserable experience... and a dangerous one. Smartwool has the added benefit of being able to go in the dryer at home... not all merino products can. That's my take.

5 JKNOR
[ When it comes to staying warm during the winter, base layers are KEY! My old Smartwool long- sleeve lasted me years of use. Loved my first one so much that when it came to finally replace it, it was a no brainer. Kept me comfortable and warm during winter months of New Zealand, Japan, all the way to the summit of Mauna Kea. I 've never had a base layer fit so good right off the shelf. Felt like it I was putting on my favorite tshit. Could n't recommend it more

5 Sheri
[ My son loved the wool sweater I bought him for Christmas. It was soft and warm at same time. Mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

Smartwool Women's Merino Sport 120 Racerback Tank Top
  • Black
  • Lead

Smartwool Women's Merino Sport 120 Racerback Tank Top

$55.00

Quick Facts

odor- resistant technology helps combat odor- causing microbes to keep you fresh ... regular fit tank top gives you room to move without any additional bulk made with ultra- lightweight, super- soft, blended merino and tencel™ performance fabric designed to help you stay cool and comfortable when...

Under Armour Boys' HeatGear Armour Sleeveless Top
  • White/Black
  • Black/White

Under Armour Boys' HeatGear Armour Sleeveless Top

$25.00

(68)

Perfect base layer for all sports as the temperature warms up. ... Perfect athletic wear for sports, great for wearing under equipment ... gear® fabric is ultra- soft and smooth for extreme comfort with very little weight material wicks sweat and dries quickly anti- odor technology...

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5 Sonya07
My son loves these! They ’ re comfortable and keep him cool!

5 Sdm4
My son loves these undershirts. He wears them under sports jerseys and in the gym. I ordered the same size as I would in t- shirts and the fit is good.

5 424242
Came quick came only a couple days after I ordered it

5 MJohns
My son wears this under his basketball jersey. Keeps him cool during the game.

5 Rott70
Got this for my grandson to wear under his basketball jersey. Great fit and looks great.

icebreaker Women's 125 Cool-Lite Merino Blend Speed Tank Top
  • Chalk

icebreaker Women's 125 Cool-Lite Merino Blend Speed Tank Top

$80.00

(6)

soft, comfortable and versatile for a wide variety of active pursuits cool- lite™- breathable and lightweight fabric blend designed to help keep you cool offset shoulder seams to prevent friction 360° reflective details eyelet mesh for ventilation and visual texture narrower armhole for a sportier...

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5 Sarah G
This is the perfect tank for hot summer. I 've hiked and worked out in it and it's lightweight and breathable

5 Sal
[ After I bought one, I ran out and got another immediately I like it so much

5 VCS
[ This cropped boxy tank is perfect for hot run days!

4 Magnolia
[ I wear it under a long sleeve shirt for hiking in the summer. I got the white one, it is a little shear, but I love the cropped length. I wish icebreaker was written on the back rather than the front.

Nike Men's Dri-FIT Stride 1/2-Zip Midlayer Running Shirt
  • Thunder Blue
  • Smoke Grey
  • Black

Nike Men's Dri-FIT Stride 1/2-Zip Midlayer Running Shirt

$70.00

(3)

nike dri- fit technology wicks sweat away from your skin ... 1/2- zip design mesh panels underarm and inner collar provide extra breathability simplified shoulder design provides distraction- free movement thumbholes hold sleeves in place provides uva and uvb protection from the sun in the areas...

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5 JakeMango
I bought this to run a half marathon in when it was like 40 degrees. It was warm enough that I didn ’ t get cold in the beginning and breathable enough to not overheat once I got a couple miles in.

5 Duncanson1990
This shirt is fantastic. It ’s basically just a much needed upgrade version of the 1/2 zip elements. What I mean by that is the material is soft and comfortable and stretchy. The shirt also has a mesh ’s area running on the bottom of the arm that goes along the whole sleeve which is nice to help with cooling off. Also it seems to be lighter than the elements which helps it be a better choice to wear on warmer days. Hope these stick around and get more colors. I definitely recommend these especially if you were a fan of the 1/2 zip elements.

5 BonafideHustler16
Superb from Nike. In truth I went off Nike running clothing for a bit- felt there were too many weird fits and not always best material, but this is a brilliant top. Great fit, great material, very comfortable and looks very good. Waiting for other colours before ordering another. If not I ’ ll get the black.

On Sale
Nike Women's One Therma-FIT Long Sleeve Top

Nike Women's One Therma-FIT Long Sleeve Top

See Price in Cart

WAS: $50.00*

(68)

normal fit, nice bright aqua color, very comfortable! ... Bought this shirt about 3 week ago very comfortable soft fit really well ... Great fit, light weight, warm&

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5 Lakasto
I love my new top. It is warm and easy to wear when I work out.

5 Bumblebea
I bought this a few weeks ago and the material is really soft and keeps your warm! Love the colors, I got green

5 JSSQFoley
this crew is amazing- comfy, warm, the material just melts on you. fits boxy which i like. def recommend it.

5 KMG411
Thin warm base layer. Great for outdoor training in the winter

5 Ne ce
I bought this a month ago and it ’s a great shirt very soft

Columbia Montrail Women's Endless Trail 1/2 Zip Mesh Long Sleeve
  • Black

Columbia Montrail Women's Endless Trail 1/2 Zip Mesh Long Sleeve

$65.00

(2)

I just bought this shirt excellent it feels comfortable i buy the two colors just love it ... Great features! ... fit& design lightweight thumb holes 100% polyester, 88% recycled polyester, 12% elastane reflective detail vented with mesh for breathability technology omni- wick™ additional details...

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5 Peggy
[ It fits great. Love the fabric. It wicks moisture and keeps me cool.

5 Guera
I just bought this shirt excellent it feels comfortable i buy the two colors just love it

adidas Women's Running Gel-Pocket Crop Top
  • Black

adidas Women's Running Gel-Pocket Crop Top

$50.00

(14)

It is very useful to carry my sports supplements ... The best thing about the top are the pockets to put the gels ... log miles and build endurance with the comfort and performance of this adidas running crop

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5 CRuns
[ Wrote this for running the Boston marathon, and I absolutely loved it. I was able to fit all my gels in the side and front pockets, and my phone in the back pocket. My phone did bounce around a little, but it didn ’ t bounce out and was easy enough to reach and pull out.

5 Thebest
Go get it! It ’s worth every penny. I love the fit and it ’s lightweight.

5 Marti27
[ Super comfortable top with great, easy access side pockets for my gels. Pockets are a little deep but fit my Huma gels well

5 Epj27
Best purchase I ’ ve ever made, definitely worth the price. The pockets on the back are actually accessible while running fast and the material is high quality enough that I do not even need to wear a sports bra and add to chafing that is bound to happen in 25 plus mile runs.

5 Sarah
I love this top for my daily walks and runs. I just started running and i don ’ t like carrying my phone in my hand but I don ’ t want to wear a belt because they bounce too much. I put my phone in the big back pocket, and other things like keys, tissues, etc. in the other pockets, and I don ’ t feel them or notice them at all the whole time! If you put your phone in the big pocket at the back, you do have to have good mobility/a little skill to get it back out, but it ’s no problem for me. I ’ d love to have this in a bunch of colors!!

On Sale
Nike Women's One Therma-FIT Long-Sleeve 1/2-Zip Top

Nike Women's One Therma-FIT Long-Sleeve 1/2-Zip Top

See Price in Cart

WAS: $62.00*

(106)

Great base layer and super warm despite being light weight ... This product is so good it ’s so good when i go on my runs ... This shirt is made with such a nice soft

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5 MemaJo
Will not likely wear before the fall season, but it seems perfect for skiing- light fabric for packing, but plenty of thermal warmth. The color was lovely too- subtle rose!![ for layering... sleeves were not super long, so not need to stuff under your jacket.] Would also come in handy alone for fall golf! Also a great name for teens- I got one for my 16 yo granddaughter as well.

5 CowboysforGolf
I purchased this for my wife and she loved the quality and how the material feels.

5 KSC41
I have bought several of these and wore them all winter and even on my trip to Europe and Switzerland and daily on the farm. They are warm and cozy and very comfortable to layer.

5 Stephhr71
Very soft and comfortable. Fits true to size. Recommend for those chilly mornings for your workout.

5 Farmgirl56
I purchased this for myself with a Christmas gift card. I love the fit and the weight( medium)

On Sale
Nike Men's ACG Delta River Dri-FIT ADV Long Sleeve Baselayer Shirt
  • Black/Cool Grey
  • Burgundy Crush
  • Sequoia

Nike Men's ACG Delta River Dri-FIT ADV Long Sleeve Baselayer Shirt

See Price in Cart

WAS: $95.00*

(3)

I ’ m 6ft 175 and I ordered an xl bc I like the loose baggy fit and this shirt is a perfect fit. ... the engineered fabric offers more breathability in high- sweat

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5 christiang775209896
I ’ m 6ft 175 and I ordered an xl bc I like the loose baggy fit and this shirt is a perfect fit. Waiting for more colors

adidas Women's adiZero Running Tank Top
  • Carbon/Black

adidas Women's adiZero Running Tank Top

$70.00

(2)

crafted from a blend of recycled polyester and elastane, this slim- fit tank is designed to make every stride count. ... the climacool technology ensures you stay cool and dry, while the racerback and side slits offer unrestricted

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5 Ronin2Cold
Cute, size runs accurate to xs. Good arm mobility.

5 MaryMcC
[ Great fit, love the breathability and soft fabric. I need another color for my collection.

Nike Men's Dri-FIT Miler Running Tank Top

Nike Men's Dri-FIT Miler Running Tank Top

$20.98-$35.00

WAS: $35.00*

(62)

Great comfort! ... Great fit and comfortable ... The Nike symbol is reflective so you ’ ll be much safer running when it ’s dark! ... Affordable and comfortable ... Good for everyday

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5 Summer_
I wear this as a swim shirt in the summer. It dries quickly and fits great

5 georgewa
Nothing fancy but for the discounted warehouse price, and Nike brand, great!

5 FourIze
It's a nice, light, quality tank top that could easily be used for any summer activity. Perfect for any activity in this FL weather. I have a slim athletic build and the tank fits meal well.

5 Kavin
I bought this for Hawaii and it worked out great on my vacation.

5 Aj999999009
Breathable running tank runs true to size but also relatively slim fit if you size down.

Brooks Women's Dash 1/2 Zip 2.0 Top
  • Black

Brooks Women's Dash 1/2 Zip 2.0 Top

$70.00

(26)

layer® fabric wicks away sweat to keep you comfortable and dry while the fabric delivers a super soft feel half- zip design provides ventilation when you need it updated design streamlines the piece and ensures it moves with you on the

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5 AlexP
This is warm but still thin and quite comfortable. I did have to order a M and I am always a XS/S. The small was too short in the body and arms for me. I 'm 5' 7 '', 132 lbs.

5 Laurie M
Lite& comfortable. I love the thumb holes. Perfect when you need light coverage but not too thick.

5 RebeccaP
It ’s super soft, a hug in a top. A great layer for a run in this transitional weather. The bluebell colour is lovely. Would like to see this in other( strong) colours. The thumb holes are useful and subtle.

5 JoanneS
Perfect weight. Not too thick or thin. Great fit of waist and collar. Silky soft.

5 KatieB
I purchased the lilac zip, great for running in temps under 40. Too hot Elsewise.

adidas Women's Own The Run Racerback Tank Top
  • White

adidas Women's Own The Run Racerback Tank Top

$35.00

(51)

a must- have basic for daily runs, this adidas tank top keeps you dry from start to finish with aeroready technology. ... I bought two, small and medium, they both

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5 Cait
Bought this for my dance team and it was perfect for them!

5 taczyz
This tank is comfortable, and I love the color. It's perfect for outdoor activities on a hot day.

5 Nair
Thank you very beautifully…thanks tanks. Beautiful very mach

5 Zhiyu
It ’s air and water permeable. Good to wear for summer running.

5 Jose69420
[ Really nice! Light weight mesh so it breaths easily and dries very quickly.

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt
  • Ether
  • Black
  • Fathom Green/Cloud Ray/Cb

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt

$100.00

(3)

machine wash ... knit™- engineered body mapped technology? to regulate your body temperature and? let your skin breathe during high- intensity activity cool- lite™- a lightweight and breathable fabric blend raglan sleeve construction for mobility gusseted underarms for mobility and comfort thumb...

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5 Mark
[ I am getting synthetic products out of my wardrobe and I have become addicted to Icebreaker long sleeve layering shirts. They are extremely comfortable, come in a variety of nice colors and weights, so are quickly replaced my synthetic top layers.

5 The Greek
[ This is one of two or three of the most amazing clothes I have. Technically it's a base layer but it's something I wear almost anywhere with the right pants and shoes. It's wool, but it's incredibly soft and comfortable. It works great as a base layer, but it's versatile.

5 Fredrick
[ This color is perfect, very beautiful and should be used again and again. Ideal light weight garment for fitness. Very breathable.

Outdoor Research Men's Alpine Onset Quarter Zip Top
  • Black

Outdoor Research Men's Alpine Onset Quarter Zip Top

$109.00

(66)

It's a perfect base layer for resort and backcountry skiing. ... A great base layer ... Great base layer ... Does n't get too hot on the uphill compared to the heaver weight merino baselayers I have, still keeps my warm enough, easy to...

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5
These are really good. Very comfortable to the skin across wide temperature range

5 Kenneth D
All the benefits of Merino wool with the strength of nylon. I definitely recommend this if you are a one bag traveler.

5 Hans
Super comfortable and lightweight, seams do n't restrict movement

5 LC
I wore this the day after I bought it and it was great. Temp was around- 5 Celsius and I used it as a base layer. Kept me warm and comfortable.

5 B
So far I have used it for resort and backcountry skiing and it has worked perfectly for me. I am 6' 1 '', 170lbs and the L fits well.

Nike Women's Pro Dri-FIT Long-Sleeve Top

Nike Women's Pro Dri-FIT Long-Sleeve Top

$45.00

(25)

fitted lightweight and stretchy fabric mesh panels under the arms help increase airflow thumbholes help keep sleeves in place nike dri- fit technology moves sweat away from your skin for quicker evaporation, helping you stay dry and

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5 RBfiftytwo
This is my new favorite work out shirt. Its lightweight with great quality material, i got the red one and i love how perfect the color looks.

5 TrishR
These are my favorite that Nike makes. Love the fit& the material. Highly recommend for any type of activity.

5 Marthabrandon
I brought this a few weeks ago and absolutely love the fill feels like butter on your skin so comfortable

5 Jessm1216
I got this for flag football when it ’s cold and it kept my daughter warm when it was chilly outside

5 Chelsie98
Have 3 of them now and only wish they had more colors. I absolutely love these shirts!

icebreaker Women's 125 ZoneKnit Long Sleeve Thermal Crew
  • Jet Hthr/Blk/Mtro Hthr/Cb

icebreaker Women's 125 ZoneKnit Long Sleeve Thermal Crew

$125.00

(4)

icebreaker harnesses performance qualities of natural fibres to offer an alternative to petrochemical synthetic- based clothing machine wash cold on delicate

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5 Kiko
[ Yes, very light but still keep you warm enough to be out at not too warm day. Love the orange bright color. It's a keeper. I always buy XS bc it's the only size been offered for petite people as me. Wish has XXS, will fit me better, wo n't be too long.

5 Robin
[ My husband was so embarrassed I kept wearing my previous icebreaker from time to time, even though it become literally threadbare in a couple areas. Was nervous an updated version might not be as good, as often happens when one buys a replacement for something they 've loved so much, but so far this one has the same fit and feel as my beloved first icebreaker shirt. As well, they are usually `` updated '' colors offered and I was glad this one is pretty close to the original. I 'm sure I 'll get as many years wear out of this one as I did my first and recommend it strongly to anybody who likes winter sports or just comfortable shirts to hang out in during cooler seasons.

5 LiaE
[ I have yet to be disappointed in this brand. Light, warm, not smelly. Thanks …………………………………………………………………………………………………………………………………………………………………..

4 Rhyolyn
This is such a cute top, and I especially like the tunic length. My only complaint is that the arms are a little short, so I ca n't comfortably use the thumb holes. They need another inch.

Outdoor Research Men's Echo Quarter Zip Top
  • Storm

Outdoor Research Men's Echo Quarter Zip Top

$69.00

Quick Facts

The zipper makes the shirt more comfortable, especially if I am wearing an open collar dress shirt, and it certainly makes it easier to don and doff the shirt, especially when it is over another

On Sale
Nike Women's Dri-FIT Swift Element UV Running Top
  • Smoke Grey
  • Aster Pink

Nike Women's Dri-FIT Swift Element UV Running Top

$23.23-$60.00

WAS: $60.00*

(64)

The weather here has been a bit warm so I haven ’ t had a chance to wear it out yet, but it ’s been a nice breathable layer to wear around the house. ... Comfortable and great for

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5 Ecko
My wife loves it, says it's comfortable and will be repurchasing in other colors.

5 Nette28
Bought this for the cold days but needing the outside. Very comfortable and has a soft feel that is comforting in the cold air.

5 Robin10313
Wearing 1st time today as was chilly this morning, but has since warmed up and this shirt is just so comfortable

5 September1000
I love it. Perfect material for the gym. Plus so cute to wear to run errands.

5 georgewa
So comfy. It's women's but got it for my daughter and fits the purpose of all her PE and casual wear too

On Sale
Nike Women's Running Division Long-Sleeve Reflective Running Top
  • Black

Nike Women's Running Division Long-Sleeve Reflective Running Top

$25.18-$28.68

WAS: $90.00*

(22)

reflective piping gives the classic look a little glow- up. ... day or night, rain or shine, this slim- fitting running division top offers the features you need to navigate the paved

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5 NoleGirl
I bought this purple- colored women's Nike running shirt and am glad I did. I got it to match some shoes that I also bought in the DSG store that same day. Great color and fit. I recommend sizing up because the shirt is quite fitted. I normally wear a L or XL and chose to buy an XL and it fits well. There is some stretch in the shirt.

5 Trent
[ I was pretty impressed with this shirt and think that it is perfect for a chilly run. I usually don ’ t love tighter shirts but it fit really well and didn ’ t feel too snug at all. I love the design as well and think it looks really cute overall. The only thing I would change is making it slightly less tight on the arms, it wasn ’ t a deal breaker but it would make it a little more comfortable.

5 MissBJackson
[ Shirt runs true to size, but it is also stretchable. I love the reflective design and the thumb holes on the sleeves to help keep your hands warms. I would recommend this shirt to runners.

5 BlakeT
[ This running top is great in many ways. First off, the comfort is great. It ’s not stiff or tight. The fabric lays nicely on the body. Second, the length on the torso is perfect for a runner. I hate when I ’ m running and the top doesn ’ t stay put. This top is long enough on the waist that it never rides up. Lastly, I love the thumb holes. They are comfortable and larger to fit bigger thumbs. Overall, the top is comfortable, great material( not too thick but not too thin), and provides optimal coverage when running! I would highly recommend to any runner looking for a long sleeve top for the cooler temps.

5 Breezy
[ I love the fit of this shirt! It is a perfect tightness, still allowing room to move your arms. The fabric is stretchy and soft. I think that the design and style of the shirt is very flattering. I especially like the white reflective accents throughout the shirt. I love the black color, but do wish they had other colorways. Overall, it's a great long- sleeve base layer for walking and working out.

Nike Men's Stride Dri-FIT ADV Running Tank Top
  • Black
  • Smoke Grey
  • White

Nike Men's Stride Dri-FIT ADV Running Tank Top

$55.00

(3)

this lightweight tank ’s sweat- wicking knit is built with extra breathability, so you can stay focused on your pace. ... using insights from runners like you, we prioritized functionality to refresh our stride

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5 Arixmar
This is my fourth tank top. Love this brand and material.

5 bryanruns
I saw a review for this product claiming that it's not good for longer distance training. I wanted to add my own review to state that I have been using this tank for many long and short training runs( even a half marathon), and have had no issues with the product quality, and/or material. I suppose maybe there might be some one- offs depending on how you wash it, but I have had no issues( even in the South Florida warmth and humidity). Great product!

On Sale
On Women's Core Tank Top
  • Arctic
  • Black

On Women's Core Tank Top

$34.99-$49.99

WAS: $49.99*

Quick Facts

fit& design a versatile tank top, perfect for workouts or casual layering soft, lightweight knit regular fit ... with its lightweight fabric and season- defying colors, the core tank is a running must-

icebreaker Men's 125 Cool-Lite Merino Blend Speed Tank
  • Ether
  • Graphite

icebreaker Men's 125 Cool-Lite Merino Blend Speed Tank

$80.00

(1)

our lightest, most breathable performance tank featuring cool- lite™ eyelet mesh throughout, the merino 125 cool- lite™ speed short sleeve t- shirt is ideal for running and any other high- intensity pursuits in warm conditions cool- lite™- breathable and lightweight fabric blend...

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5 Alex
[ I got two of these for daily undershirts. It is very comfortable and of excellent quality, a little baggier than expected.

On Sale
Nike Women's Dri-FIT Swift Element UV 1/4 Zip Running Top
  • Denim Turq
  • Hot Fuchsia

Nike Women's Dri-FIT Swift Element UV 1/4 Zip Running Top

$25.18-$70.00

WAS: $70.00*

(48)

The sleeves are long and I can actually use the thumb holes without having to overstretch the fabric adding an additional layer of comfort and

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5 erikah294118005
Love this top! Will you guys be getting more colors soon?

5 gbamm
Excellent quality and color. Easy in and out! Christmas present

5 aw419
Bought this for my wife for Christmas. She loves the look and fit!

5 CRitch16
Love this top from Nike. Fits well. Not too heavy or bulky.

5 AHeart
Soft light weight true to size. I have 3 now in different colors

On Sale
Nike Men's Trail Polartec 1/4 Zip Fleece Running Pullover
  • Black

Nike Men's Trail Polartec 1/4 Zip Fleece Running Pullover

$126.99

WAS: $150.00*

(25)

Surprisingly light, very warm for its thickness the fit is perfect, not too snug not to loose, wore a long sleeve base layer underneath and found that to be too hot, plan to just wear a short sleeve dri fit next time for 50 degrees and high winds which is typical for my area in...

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5 j115m
Great running top for colder days. Looks great even worn as an everyday fleece.

5 David
[ I ’ ve been averaging about 40 miles run a week this winter. This fleece top has been a game changer. It ’s incredibly warm and comfortable. I don ’ t have to wear so many layers anymore. I ’ m able to run with this and just another layer underneath. I ’ ve run in temperatures of almost 10° and still helped my body stay warm and I don ’ t feel any effects of the wind. Great top!

5 KeithM781354153
Very comfortable and doing a great job as a liner. Where I am at the temperature drops and this is a great liner to where under my jacket or vest.

5 AnnC307939328
Excellent quality and lovely feel. Wear under as a mid or outer layer. Very pleased with purchase

5 sherazh281184310
Very comfy... the fit is so perfect.. nice materials used

icebreaker Men's 125 ZoneKnit Merino Thermal Short Sleeve Shirt

icebreaker Men's 125 ZoneKnit Merino Thermal Short Sleeve Shirt

$90.00

(8)

Nice lightweight shirt ... Great dor working out and very comfortable under a sweater for cooler days. ... knit™- engineered body mapped technology? to regulate your body temperature and? let your skin breathe during high- intensity activity features cool- lite™, a lightweight and breathable fabric...

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5 Chuck
[ Really love the shirt. It looks an feels great. I like everything that I 've bought from Icebreaker.

5 Max
[ No merino wool company compares to that of icebreaker. It feels fantastic while still maintaining all the qualities of merino. I have no complaints about this shirt.

5 BJ
[ Bought this shirt to run in and it's great. Comfortable fit, true to size and dries quickly when the sweat gets going.

5 JJJL
[ blending with TENCEL making it more comfortable, also no funky smell in the summer.

5 B
[ I play ping pong with it, sleep with it, and wear it several times a week without washing it.

On Sale
Under Armour Women's HeatGear OG Compression Tank Top

Under Armour Women's HeatGear OG Compression Tank Top

$11.67-$30.00

WAS: $30.00*

(12)

gear™ fabric helps keep you protected under your gear – limiting pinching, snagging and chafing. ... gear™ fabric delivers superior coverage without weighing you down material wicks sweat and dries really

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5 Jessee1980214ever
I got the black one and now going to get the hot pink one!

5 Oldrunnerlady
Good compression fit, white is see through. 5 ’ 4 ” 125lbs

5 Terrianne
Cant wait for that summer weather to kick in for good. So I can wear all my new heat gear. Its awesome.

5 Beachy69
Love all the products I ordered but these tanks are amazing. So lightweight and comfortable. I had to order multiple colors and duplicates of some. ONLY negative thing I can say is please come out with more colors

5 broncogirl
Love this color and fits true to size

Mountain Hardwear Women's Crater Lake 1/2 Zip Pullover Shirt
  • Light Sun

Mountain Hardwear Women's Crater Lake 1/2 Zip Pullover Shirt

$70.00

(4)

I 'd love to have more solid color options. ... Light and Hangs Beautifully ... Wore this on a very warm hike( in the 80s) and it is light and thin and perfect. ... I also love the thumb hole as it keeps the sun off my hands when

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5 pnwhiker
I 've tried several sun shirts of different brands and majority feel clammy and make me feel hot in the sun. Not this shirt! The material is thin, breathable and very soft on your skin. I actually prefer the quarter zip version over the MH hoody due to the bottom hem design( hoody has a draw string at the bottom which I do n't care for). This shirt also has better neck protection for me since I always wear a wide brim hat when I hike and I would n't use the hood. And I really appreciate having quarter zip to allow more air through. I 'd love to have more solid color options.

5 E2
Absolutely love this product. I bought this for hiking as I 've had skin cancer. It is so light weight that I am now also wearing it when riding my mountain bike in the summer. I want 10 more! Please just make more colors. I also love the thumb hole as it keeps the sun off my hands when hiking.

5 smc77
[ Wore this on a very warm hike( in the 80s) and it is light and thin and perfect. Washed it out in the sink and it was dry the next morning and ready to go for another day on our vacation.

On Sale
Fjallraven Women's Abisko Wool Tank Top
  • Patina Green
  • Chalk Rose

Fjallraven Women's Abisko Wool Tank Top

$32.50

WAS: $65.00*

(5)

fit and design light, comfortable tank top thermo- regulating nature quick- drying properties great first- layer in both warm and cold conditions wide cut over the shoulders to offer protection from rucksack straps and the sun hemline is cut longer at the back slightly looser fit...

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5 Inariya
6'. 220lbs. 36H. Average to Long torso. Large upper arms. Ordered: XL I use these for exercise: I do n't have cling issues nor is anything too large. They 've become my favored tops because, for me at least, they just work and fit me well. Fabric composition holds up pretty nice and I 'm not completely soaked by the end of HIIT workouts.

5 Juliet
[ Once you start buying wool workout clothing you 'll never go back... It wicks quickly, does n't hold smell, has a great fit, and it comes in my favorite green. 10/10 tank!

4 hjkhhkjk
Pros: Soft and silky. Fabric is gorgeous and I love the wide shoulders. Cons: The patina green is more of a mint/seafoam in person, and the fabric clings to your body and shows any lumps. Sizing/fit: Very baggy fit. I 'm a size small but I usually size up to a medium for a baggy fit, but I could have sized down to an XS here( 5' 5 '', 120 lbs).

Icebreaker Men's 125 ZoneKnit Merino Short Sleeve T-Shirt
  • Ether
  • Black
  • Cloud Ray

Icebreaker Men's 125 ZoneKnit Merino Short Sleeve T-Shirt

$90.00

(4)

knit™ body mapping technology designed to actively regulate body temperature and let skin breathe during high- intensity activity cool- lite™ breathable and lightweight fabric blend designed to help keep you cool additional details 60% lyocell, 40% merino wool, exclusive of

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5 J
[ I use this shirt in the cool to warmer temps. Cooler temps with sleeves and windbreaker. My life has completely changed since ditching polypro for wool.

5 VinnyTwoSlices
[ Love the colour and the sheer feel of this shirt. Did not overheat even with a jacket, which has not happened before with synthetics. Breathable in the right way.

4 Brian
[ Wonderful light fabric that feels nice and breathes well. Good for running but maybe not quite slim enough for cycling, billows a bit. I 'm 6' 5 '' and the large I bought fits very well except for the length. Looks fine but if I raise my arms the shirt rises over my natural belt line which I do n't love. A tall size would be nice, a larger size would be far to baggy for me.

Nike Women's Therma-FIT Element Swift Turtleneck Running Top (Plus Size)
  • Black

Nike Women's Therma-FIT Element Swift Turtleneck Running Top (Plus Size)

$85.00

Quick Facts

stay warm on those chilly morning runs in this top. ... nike therma- fit technology helps manage your body ’s natural heat to help keep you warm in cold- weather conditions thumbholes let you extend your coverage and help hold the sleeves in place while you move collar stretches to add face...

Mountain Hardwear Women's Chillaction Short Sleeve Shirt
  • Black Heather
  • Dark Daze Heather
  • Aqua Green Heather

Mountain Hardwear Women's Chillaction Short Sleeve Shirt

$55.00

Quick Facts

machine wash cold ... soft, peached- knit jersey fabric upf 30 filters harsh uv rays imported flattering cropped fit mhw patch logo at bottom left

Under Armour Men's HeatGear Fitted Long Sleeve Shirt
  • Black/White

Under Armour Men's HeatGear Fitted Long Sleeve Shirt

$35.00

(122)

Great feel and fit with sizing and material. ... It fits very well and is what I expected It is confortable and breathable ... Excellent for all sorts of sports activities especially outdoor sports in the cooler

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5 Alect
Amazing fitted undershirt, feels like second skin

5 Raider59
I buy these to go under my short sleeve uniform shirts. There great cause the level of comfort. Also whether it's hot or cold outside there just enough for me. I 've bought these before but took advantage of the last sale to get three more. I definitely recommend these to anyone.

5 bmac123
This works great to keep warm during chilly workouts to wear alone or under another short sleeve shirt.

5 JmanNH
Used for running. Definitely fits tight but a fantastic underlayer in the winter to keep compression and stay warm

5 Krony54
Just bought the long sleeve heatgear shirt- sizing is perfect and wore it under a long sleeve shirt and sweater for a round of golf in 45 degree weather. Kept me warm and did not restrain my swing.

On Sale
ColdPruf Women's Basic Crew
  • Black

ColdPruf Women's Basic Crew

$19.99

WAS: $24.99*

(1)

warmth is so basic two- layer fabric engineering traps warm air between layers fabric weight: 5. 25 oz fiber content: both layers- 60% cotton/ 40% polyester crew neck set- in long sleeves flat seams to prevent chaffing tagless

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5 DreaV
Keeps me warm, does n't ride up( great fit) and super soft!

Under Armour Girls' ColdGear Long Sleeve Crewneck Shirt
  • Salt Purple/White
  • White
  • Black

Under Armour Girls' ColdGear Long Sleeve Crewneck Shirt

$45.00

(25)

The flexibility as a base layer keeps her cool and comfortable when indoors and warm and toasty when outdoors. ... dual- layer cold ... Great for cold weather ... Works great on cold and wet

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5 TSi12
Fits nicely under girls softball jersey and helps keep her warm

5 Bthurb
Purchased for under my daughter ’s softball jersey. Great weight and soft.

5 hut575
This is a perfect shirt for wearing under a short sleeve uniform in early Spring. It's nice and thick and long enough to stay tucked in.

5 Tyobl
This top is so comfortable. It is a nice space layer and keeps you warm. The color is an added bonus because it is a beautiful light purple. It has a lot of stretch and is great for walking and playing pickle ball. I am 5 ‘ 2 “ tall and weigh 100 pounds and I got them medium children ’s which fits perfect! Arms are just the right length which can be a problem for me in women ’s sizes. I loved it so much that I got two purple ones and one black one!

5 Pops2013
Daughter loves it especially during the colder nights at softball practice.

icebreaker Women's 125 ZoneKnit Merino Energy Wind Cropped Bra-Tank
  • Black

icebreaker Women's 125 ZoneKnit Merino Energy Wind Cropped Bra-Tank

$90.00

(6)

knit™- body mapping technology designed to actively regulate body temperature and let skin breathe during high- intensity activity cool- lite™: breathable and lightweight fabric blend designed to help keep you cool eyelet mesh back and sleeves for ventilation offset shoulder seams to prevent...

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5 Leah
[ Not itchy at all, love it as a sports bra or a crop top. Usually I am a medium in fitted tops and sports bras, but had to return and size up to a large. I am an A/B cup with 36 '' band for reference.

5 Meg
[ Love this top. Can wear it to work out or just running errands. So comfy! I 'll be buying more!

5 Maria
[ You can immediately tell this top is well made. The fabric is soft and the color is vibrant. I bought a similar style years ago and it looks new. The neckline and slight crop is super flattering.

On Sale
Under Armour Women's UA Authentics ColdGear ½ Zip Top
  • Midnight Navy
  • Black
  • White

Under Armour Women's UA Authentics ColdGear ½ Zip Top

$25.17-$65.00

WAS: $65.00*

(72)

I work outdoors in all weather and on a chilly day this piece is great for your under layer. ... It is very comfortable and fits well would highly

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5 Joon1972
It was good for walking, running and other lifestyle.

5 Mike Villegas
My wife absolutely loved this fleece.

5 DaBears54
My daughter loves this item. Very comfortable and a great fit.

5 Lynn 71
I love how it feels and very comfortable and the color looks good I brought a white one too love both

5 Sintike20
This fit awesome in my body

Under Armour Men's ColdGear Armour Fitted Crew
  • White/Black
  • Black/White
  • Charcoal L Heather/Black

Under Armour Men's ColdGear Armour Fitted Crew

$55.00

(332)

Great base layer to use in the cold ... fitted long sleeve shirt for casual or athletic wear ergonomic design keeps seams off of high abrasion areas dropped, shaped hem dual- layer fabric with an ultra- warm, brushed interior& a smooth, fast- drying exterior...

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5 RicoGerardo
Used this shirt under my winter jacket for a trip to Yellowstone and kept me warm throughout the day. Would highly recommend as an inner shell when out in the cold.

5 iony boy
excellent product higt quality

5 CaptDave13
I really like this shirt at the gym. It ’s very light and comfortable. Fits loose which is perfect when working out. I would recommend this shirt even for hanging out.

5 K Saucier
Bought for a trip to Alaska. It kept me warm the entire trip.

5 MamaToHayden
I purchased this for my boyfriend for Christmas and he loves it! He wears this for all his outdoor activities and he is never cold.

Nike Men's Aeroswift Elite Entry Dri-FIT ADV Running Tank Top
  • Lt Lemon Twist

Nike Men's Aeroswift Elite Entry Dri-FIT ADV Running Tank Top

$100.00

(1)

nike dri- fit adv technology combines moisture- wicking fabric with advanced engineering to help you stay dry ... part of nike's aeroswift collection ... engineered knit fabric is lightweight and breathable swoosh logos have a non- reflective

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5 ShakeiH984225554
I wore the Nike AeroSwift Elite Entry Running Tank for my Gasparilla 15K, and I have to say—this tank EXCEEDED expectations. It ’s the ultimate blend of performance, comfort, and style. 💨 Featherlight& Breathable: The Dri- FIT ADV fabric kept me cool and dry from start to finish. Even as the Florida heat kicked in, this tank wicked sweat instantly and never felt heavy or clingy. 🏃‍♂️ Perfect Fit for Motion: The racerback cut and stretch fabric allowed for completely unrestricted movement—no tightness, no chafing, just smooth, effortless strides. ⚡ Elite- Level Comfort: This tank feels like a second skin—soft, seamless, and weightless. Absolutely zero irritation, even after 9. 3 miles. 🔥 Statement Look: The bold flame- like design had me feeling like I belonged at the front of the pack. When you look fast, you run fast! ✅ Final Verdict: Whether you ’ re racing or training, this tank is 100% worth it. Lightweight, breathable, and designed to keep you cool and moving fast.

On Sale
Under Armour Women's ColdGear Authentics Mock Neck Pullover 2.0

Under Armour Women's ColdGear Authentics Mock Neck Pullover 2.0

$21.58-$55.00

WAS: $55.00*

(184)

This shirt is great for wearing as a base layer or on its own. ... Perfect base layer ... Perfect amount of warmth that can be layered as much or as little as

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5 dmitch1989
used it for my sons baseball game kept me very warm good material

5 Roxtar
My daughter loves this when she plays golf and its cold

5 brother shoes
I wore this cold Gear due to our cold spring soccer games and it kept me warm.

5 Danielle Harris
The quality of product was great. The fit of item was accurate according to description.

5 Guido10
Daughter got this for her game in 22 degree weather and was good!

icebreaker Men's Merino 125 Cool-Lite Sphere III Long-Sleeve Shirt
  • Metro Heather
  • Black
  • Dawn Heather

icebreaker Men's Merino 125 Cool-Lite Sphere III Long-Sleeve Shirt

$85.00

(30)

The best summer base layer you can buy ... Awesome running shirt ... Great inner layer, soft on skin and not itchy at all. ... Most comfortable merino layer ever! ... 5' 4 '' /130 lb, 36 DD and the men's Medium is

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5 AP
[ Nice casual soft base layer. Very thin and lightweight. Nice color and decent price on sale.

5 PB
[ This is a great shirt. Super soft and light. Great for travel and as a base layer for chili days or evenings. The only gripe is that I bought one of these a year ago, size large. When I bought the most recent one the large was now too tight. So I bought an extra large. Body fit is now great but sleeves are long!!

5 Al
[ I bought 2- 3 yearly of these type since 2017 and almost all of my techs shirts are now IB. i tried a different branD and i still come back for Icebreaker* I need to buy more and plan to use these on my TMB( Chamonix) 10 day hike in Aug /2025

5 RK
[ Great quality as always with Icebreaker. I use this shirt for Summer outings to avoid using too much sunscreen, yet keeps me cool enough.

5 Val
[ I have 2 previous versions sphere ii long sleeve t shirts that I wear on summer hike. I like them even if their material is not strong enough for hiking trips. one of them have a few small holes after laundry. this version seems to be stronger because material is thicker. another difference is sizing. I need M size in contrast of S size from previous version.

On Sale
Nike Women's Swift Dri-FIT Running Tank Top
  • Phantom/Reflective Silv
  • Royal Pulse/Reflectv Silv

Nike Women's Swift Dri-FIT Running Tank Top

See Price in Cart

WAS: $55.00*

Quick Facts

fit& design soft, lightweight fabrication tapered around the waist so that layering with other pieces is easier a curved hem helps keep you covered through your stride a large mesh panel on the back that helps moisture escape reflective details nike dri- fit technology moves sweat...

On Sale
Under Armour Men's Launch Elite Cold Weather 1/2 Zip Shirt
  • Tech Blue/Reflective
  • Cardinal/Reflective
  • Black/Reflective

Under Armour Men's Launch Elite Cold Weather 1/2 Zip Shirt

$36.52-$41.62

WAS: $80.00*

(12)

generous ½ zip makes for easy layering secure, zip chest pocket for storing keys or credit cards during long runs 4- way stretch material moves better in every direction material wicks sweat& dries fast 360° reflectivity for greater visibility on low- light...

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5 Jeremy Clay
Great fit and very warm. It looks great with jeans or run wear.

5 crescent
This made a perfect gift for my husband. It runs true to size and has very soft material for comfort and works well for warmth. It also has reflective surfaces for visibility!

5 MK40
Great for runs in the cold. Traps in the heat. Been running in 15f degree weather.

5 Raynold20
I' v always been a fan of Under Armour clothes and this sweater has been great to keep me warm and comfy in this cold weather.

5 robertjohn63
Received this as a gift and it's very nice. It fits true to size and is comfortable to wear and has good flex in the material. Would buy one for myself!

New
Nike Women's Swift Dri-FIT UV 1/4-Zip Running Pullover

Nike Women's Swift Dri-FIT UV 1/4-Zip Running Pullover

$70.00

(32)

regular fit women ’s running pullover the mock neck provides additional coverage for your neck when fully zipped, then helps vent heat when unzipped 1/4- length zipper with guard the top is tapered around the waist so that layering with other pieces is easier the curved hem helps...

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5 NeyvaR330157541
The Nike Swift Women's Dri- FIT UV 1/4- Zip Running Top offers everything you could want in activewear, and the colors are absolutely stunning! With vibrant options like volt, classic shades like brown, and bold hues like red, there ’s something for every mood and style. The breathable, sweat- wicking material ensures comfort, while the functional zipper allows adjustable ventilation. The watch window on the long sleeves is an incredibly thoughtful feature for fitness enthusiasts. With its UV protection and thumbholes for added practicality, this top combines smart design, performance, and style flawlessly.

5 Stephanie1990
I got this for running in a cooler weather. It's super comfortable and is sweat wicking.

5 katmuhl15
this is so comfortable and good quality. the red is such a pretty color

5 EmilyL
[ The top exceeded my expectations greatly! It is extremely comfortable. I like how the sleeves have the hole for your watch. So smart! The shirt is very thin, therefore I thought I may be cold and need a jacket in cold weather, but it amazingly held my body heat in perfectly without making me hot. I would not change a thing about it. I am normally a medium but got this in a large since I thought I might layer underneath it, but it does not run large. A medium would have been fine. I will wear this for exercising outside, but it will also be a great base layer when snowboarding.

5 Sashe
[ I always make sure to write reviews for items that work for me, just in case there ’s someone contemplating purchasing it. This tops is soft like butter and super comfortable to walk, run or run errands in. One of my favorite features is that it has a hole in the sleeve for you to have your watch out if you don ’ t want to sacrifice the thumb holes to do so. Very genius! I would love to purchase other colors and add to my collection. Great job on this one Nike!

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