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Discover our collection of performance base layers designed to enhance your athletic experience. Crafted from moisture-wicking fabrics, these layers provide optimal insulation while keeping you dry and comfortable during intense activities. With a snug fit that moves with you, they are perfect for layering under your favorite gear in any season. Whether you're running, skiing, or training, our performance base layers offer breathability and flexibility to support your active lifestyle. Elevate your performance and stay focused on your goals with our high-quality base layer options.
$67.49
WAS: $89.99*
Comfortable option; good quality ... Nicely made shirt with neck protector. ... This product is great for protection, true to size, and lasts such a long time. ... My daughter prefers the Bauer to CCM in these neck guard shirts, I like the higher neck coverage as
5
Daisy0652
More comfortable option for my kiddo to wear under hockey gear
5
Drhook
Son wears it every time he ’s on the ice. Gives us a little piece of mind.
5
jenna5
So far so good. My son hated the neck guards that are by themselves as it constantly moves. So finally got one of these shirts and no more complaining!
5
GretzkyGOAT
Nicely made shirt with neck protector. Recommended for the youth hockey player.
5
Kc55321
Great for kids who are picky and don ’ t want to wear just the collar
$74.99
WAS: $99.99*
It eliminates the gap left by detached style guards and gives me more peace of mind when they 're out on the ice. ... They fit great, do n't get rank smelling like most hockey gear, and provide great
5
LDonley
I got these for my kids to replace their traditional hockey neck guards and love that it's all one piece. It eliminates the gap left by detached style guards and gives me more peace of mind when they 're out on the ice. They fit great, do n't get rank smelling like most hockey gear, and provide great protection.
5
RozB
This is the best shirt with a neck guard for my son who plays ice hockey.
$57.99
It ’s very durable and is a great addition to any cold weather wardrobe. ... He is very satisfied, says this helps keep him warm better than other brands he has
5
AntonS
Super warm. Perfect size and fit. Would definitely buy again.
5
MarvinW
[ Makes an excellent base layer for outdoor sports activity. Just used mine on a ski trip in very cold weather and it was perfect. I wont hesitate to buy more of the CARHARTT base layer product line.
5
SusanE
These Undergarments were a gift to my son. He wears them daily and he says they are great. They keep him warm and I 'm going to order more for him un the future. I would definitely recommend these to my other 3 sons and anyone else who is looking for the same type of clothing. Thank you Carhartt... excellence always!
5
SurfinSquatch
[ Bought it just in time for winter construction work. Keeps me warm and is comfortable all day. It ’s very durable and is a great addition to any cold weather wardrobe.
5
cse04
Bought for my husband who works outside for 12+ hours a day. He is very satisfied, says this helps keep him warm better than other brands he has tried.
$39.99-$41.99
I bought these to wear under my jeans to an Eagles game and I was soooo warm. ... These leggings worked great as `` long underwear '' when I need to be out in the
5
Figarohall
I bought these to wear under my jeans to an Eagles game and I was soooo warm.
5
Lynnann816
These leggings worked great as `` long underwear '' when I need to be out in the cold.
$54.99
Very Warm, Comfortable Thermal Pants ... This is an awesome base layer pant for cold temps and winter weather very warming but not restrictive ... Great base layer for cold
5
cliftont
This is just an early review, I have not worn them for any length of time yet. They are not as heavy as the previous model, but are light weight and more flexible. Im not sure if they are as warm as the previous model. Pay close attention to the carhartt sizing chart. In the previous model, I wore a large, in these I were a medium. Im returning mine for the right size. And this time i 'll probably order the ones with the wool, assuming they are warmer.
5
Robert
Bought these to use as an alternative to fleece lined work pants. Much prefer these as it provides more flexibility, yet keeps you warm. They fit well and pair with my canvas work pants. I particularly like the idea that if the weather warms up enough, I can simply take them off, whereas with lined pants, you 're stuck unless you keep an additional pair of pants with you. These launder well too. The seams in them are placed well so there's no `` tugging '' or tightness. To me, they 're a great cold weather investment.
5
RonaldR
[ Really good and very warm comfortable insulated pants.
5
ToddS
Had the chance to trial these on a field test, very warm and durable. nice snug fit, plenty of room to flex and move. No need for extra layers with these, wore with Carhartt lined bibs and was very comfortable all day
5
DanielF
I received this set of base layer pants for a Carhartt Crew Filed Test to test its warmth, comfort, and durability in real world working conditions. This is by far the warmest and most comfortable set of base layer pants I have ever worn. I wore them over the winter in Colorado and Wyoming in cold weather, heavy snow, and strong winds. I was warm and comfortable no matter what Mother Nature threw at me. They wick away moisture and move with me all day. I would recommend this base layer for anyone who works outdoors in the winter.
$39.99-$41.99
I like the long back of the shirt to cover my assets. ... Keeps Me Warm ... I wore this to the Eagles playoff game and I was very warm and comfortable ... This is great for the cold
5
Bthehostess
My daughter is really picky with fabrics that touch her skin. We needed compression shirts to wear under her soccer jersey this winter. She absolutely loves these compression shirts. A little pricey but def worth it. We will be purchasing a few more for her.
5
Figarohall
I wore this to the Eagles playoff game and I was very warm and comfortable
5
Tia111
This is great for the cold weather. I like the long back of the shirt to cover my assets.
$49.99
She was skiing in 6° weather and it helped keep her warm. ... Very warm ... They are worth the price. ... So warm ... [ I bought this as a gift for my daughter who loves to snow
5
nan2
[ I bought this as a gift for my daughter who loves to snow ski. She was skiing in 6° weather and it helped keep her warm. She said she loves it.
5
Sad my coconut was stolen
I bought two of these to wear under my scrubs for work. I was a lot warmer then without. I also wear these walking the dog. They are worth the price.
$44.99
They fit great and keep me nice and warm working outside in the wind all day. ... I bought these so I may continue playing golf in the colder weather. ... Keep
5
Cynthia
[ My husband said he will never wear anything else since buying these he ’s in love with them!
5
JustinK
[ very nice product here. Keeps me warm in 30 degree weather with gusts, and matches the same style top baselayer well. Overall great buy.
5
EricG
Very comfortable and warm without being too bulky underneath a pair of jeans. Highly recommend!
5
LantzW
Easy to put on great fit and feel
5
Rico 51
I bought these a month ago and absolutely pleased with the quality going back to buy two more and they do keep you warm.
$49.99
Super warm and perfect fit. ... Stitching on item is top shelf. ... The morning temps were about 4* between the base layer and my jacket I was comfortable. ... It fits nicely with no
5
KKinzler
My husband loves these!! He practically lives in them. When working on the farm you find yourself running in and out of equipment during those cold months. Just a heads up they will shrink if put in dryer!
5
PedroC
[ Does the job! Stitching on item is top shelf. Keeps you warm. What more could I say?
5
AntonS
Super warm and perfect fit. Would definitely buy again.
5
MildredM
[ My grandson loves the feel the fit the comfort of these thermals he also loves the thumb ring at the end of the shirt sleeve he said it's easy to keep it down while he's putting on other layers.
5
JohnnyK
[ Bought them for hunting tried them out over the weekend. The morning temps were about 4* between the base layer and my jacket I was comfortable.
$90.00
I have not worn it on hikes but I believe it will perform beyond my expectations in that setting ... 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...
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.
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
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
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
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.
$115.00
Perfect weight to stay warm in cold weather. ... I love how they keep me warm but do n't make me hot. ... He said the fit was true to size and they kept him warm while snowmobiling and
5
tjflan2
Fit true and worked outstanding as base layer for football game. Very comfortable and breathable.
5
Mountain time
Fit great especially in length. Perfect weight to stay warm in cold weather.
5
Kwhendy
Bought these about a week ago and wear them nearly every day. I love how they keep me warm but do n't make me hot.
5
srgmnh
These really are a step above. Great fabric, great warmth, hold their shape well. Worth every penny.
4
Jdub
Smart wool has always made quality products and these are no different. But… awfully pricey for a pair of long Johns!
$51.99
My teenage son wears these as Baselayers skiing and they are perfect for 20 degrees and up! ... It been keeping me warm and and it just been a great
5
Outdoor T
Best value for quality base layer pants, would highly recommend.
5
Lena
Purchased as a Christmas git. My dad loves them and wears them to keep him warm
5
TBKY84
Very happy with the Carhartt mid- weight base layer pants. They do the job and having a fly is helpful at sporting events.
5
No nickname
I bought this pretty recent and so far it ’s been great to have! It been keeping me warm and and it just been a great purchase.
5
Will
Keeps me warm and is a good fit. Customer service at the store was great.
$65.00
I ’ m always cold so these are a blessing for me because they keep me warm and they are not bulky. ... Fits my grandson he can wear them for indoor practice during winter then outside in
5
Zay63
These are great! They keep me warm in the coldest weather. I ’ m always cold so these are a blessing for me because they keep me warm and they are not bulky. They wash up great.
5
Monkmpd
By far the best and warmest product you can buy. The sizing accurate. Spend the money and buy this instead of the cheaper, knock offs that do not perform as well.
5
Britt829
These are amazing! We love them. ❤️ My dad got my husband and I both a set for Christmas like 10 years ago or more. They are still in perfect condition. We use them for hunting, playing in the snow or anytime we have to be outside for long periods of time in the cold. When I go hunting and it's super cold or wind chill of- 15. I wear mine, my husband's and my under armour sweat pants under my hunting bibs. No need for a heater at all. My son told me he needed some bigger under layers so I automatically ordered him this set. He is going to be so excited when he gets the Christmas morning. If you have multiple children you definitely need to get these. They are such a good quality and will last for years if they are taken care of. The adults sizes are pretty unisex in the bottoms. The woman's top seems to be a little more fitted for the breast.
5
Under armour pants
Fits my grandson he can wear them for indoor practice during winter then outside in spring
$34.99
Definitely would recommend this Carhartt base layer pant to my friends. ... Happy with my Carhartt waffle base layer, bought the same thing maybe four years ago and loved them, and I still love
$24.99
Great base layer ... Fits great and kept my 8 year old warm during flag
4
Clank clank
Fits great and kept my 8 year old warm during flag football
See Price in Cart
WAS: $115.00*
[ This Merino wool base layer shirt fits well, is comfortable, and provides the extra layer of warmth to keep me cozy. ... Warm, lightweight, doesn ’ t stink, comfortable to sleep in and definitely a base layer option for hikes should you want
5
gilllll
[ I bought this for a trip to Yellowstone national park. The color is a bit different from the photo in natural light. Less coral/orangish as I expected. A bit darker and a bit more pinkish. But it's still really pretty and of course warm and cozy as the other Smartwool 250 I owned.
5
Annie
[ I am addicted to smartwool 250 baselayers. They always keep me warm and hold up wash after wash. The material doesn ’ t pill at all. I wear them all fall and winter.
5
Connie
[ I purchased this and the smart wool 250 bottoms for camping/hiking. They are exactly what you think they are and do exactly what you want them to. Warm, lightweight, doesn ’ t stink, comfortable to sleep in and definitely a base layer option for hikes should you want one. I purchased the set on the mystery gift promo- 100% worth it. Value value value.
5
Ellen F
[ Best cozy layer ever. Bought crew and leggings. My walks in the cold weather are so much happier now! Easy to order and fast delivery. Recommend to anyone!!
5
limabean
[ Gave to my daughter for Christmas. She loves it! Large fit perfectly It is great fabric and perfect weight! Would purchase again! Would like it come in Navy.
$29.99
it feels thin but works ... it does its job wonderfully and definitely works. ... awesome! ... i bought this like a month ago and oh my god i ’ m glad i did because it ’s so
$95.00
Base layer beats thick sweaters and puffy coats! ... Great for skiing as a base layer and also looks cute! ... I bought this to use when hiking as a base layer but like it so much have been wearing it in the Spring
5
Sylvia
[ Love this top for skiing, the arms are a bit long but I like it for a seamless transition to the gloves.
5
Boone13
I bought this to use when hiking as a base layer but like it so much have been wearing it in the Spring alone. Definitely worth the price and wish there were more colors.
5
Kelly
This top is so comfy and is now my favorite base layer to wear. It is also very flattering too compared to other base layers. True to size and has that materiel on it that prevents the top from rolling up.
5
Vivian K
Great fit and cozy warm. I wore this for my first snowboard lesson. It's wonderfully comfortable and it kept me just perfectly warm and cozy. For someone who easily gets cold... and this top did n't disappoint me. Easy to move around, I love the soft fabric inside. Perfect for those winter trips!
5
Jana
I was looking for something flattering and warm to wear for ice skating and this is perfect for that. It keeps me warm without the bulk. I could have sized up because the fit is super tight but it still works for me since I like the compression.
$40.00
Very comfortable to wear. ... Sweat resistance and keeps me cool ... Got this to wear under my hockey gear, I would normally wear an XL but got a L since I wanted a tight fit, it's exactly what I
5
RobertP641768101
Got this to wear under my hockey gear, I would normally wear an XL but got a L since I wanted a tight fit, it's exactly what I wanted.
5
Mail8601
Nice fitting and good quality shirt. It is very comfortable.
5
Gettin Buckets
Perfect fit just like Nike Pro but with the Jumpman logo. I 'm looking forward to more colors.
5
Momballer3
My son was this for basketball. Material is high- quality and soft to the skin. Very comfortable to wear.
5
Boyzzmomma
I purchased for my son for work and the fit and texture is perfect
$19.99
He feels comfortable in it and is able to move and play baseball without any restriction. ... Very Comfortable ... It has held up well so far and he has worn it quite
5
Toros
[ I got those for my team and they are great, they fit very well and my boys love them.
5
Bob7
[ I bought this for my son. The fit was spot on for him. It has held up well so far and he has worn it quite often. He feels comfortable in it and is able to move and play baseball without any restriction.
$130.00
The color is very pretty and overall was a very comfortable base layer. ... It provides a warm, yet breathable layer under my light down jacket. ... Not soft, definitely not a snuggly sweater, but it's a great layer for cold days and does n't get...
5
G Love
[ This top made me ski like an olympiad. Really, it's that good, so I 'm buying it in navy. My favorite underlayer by a long shot, I literally wore it every day of my last ski trip- 5 days in a row. Shhhh.
5
Jess13
[ I bought this about 3 weeks ago… to keep me warm on a climbing trip where we would encounter cooler weather! I have dressed it up, wore around the cabin and out for hikes. I highly recommend!
5
Laurie
[ I bought this several weeks ago and have worn it on several chilly( and hilly) NE dog walks. It provides a warm, yet breathable layer under my light down jacket. It fits very close to my body and adds very little bulk. I appreciate the generous sleeve length. I have yet to launder it as I wear it as a middle layer.
5
Bouldergirl
[ This is my favorite top for hiking. It is the perfect weight and is useful all year round! I wear it's a base layer in winter and a top layer in summer for cooler days. Best material ever!
5
MPOSH
[ These Smartwool shirts are some of my favorite. They are a more snug fit, but not too tight. The purple color is so pretty. Very happy with this purchase.
$24.99
[ It ’s a very comfortable shirt and I also like the color. ... Comfortable and material breaths so not miserable on a hot day. ... Definitely worth the price. ... good
5
gkksjdshhdshe
I got it for my grandsons birthday and he loves it
5
DTR1974
Purchased a month ago and love it! Definitely worth the price.
5
Victoria8a
Wanted to show our support out on the ballfield so purchased 2 of these. Love them so much, our shirts have become a CHOICE for non- related baseball outings. Highly recommend!
5
Mayhem
[ Great fit true to Size, quick dry material great. Comfortable and material breaths so not miserable on a hot day.
5
Edgardo
[ It ’s a very comfortable shirt and I also like the color.
A performance base layer is designed to be worn next to the skin, providing moisture-wicking properties to keep you dry and comfortable during physical activities. It helps regulate body temperature by trapping warmth while allowing sweat to escape, making it essential for both cold and warm weather conditions. This layer is crucial for athletes and outdoor enthusiasts as it enhances overall performance and comfort.
Performance base layers are typically made from synthetic materials like polyester or nylon, which offer excellent moisture management and durability. Some may also incorporate natural fibers such as merino wool for added warmth and breathability. The choice of material can significantly affect the comfort, fit, and thermal regulation of the base layer.
When selecting a performance base layer, it's important to consider a snug fit that allows for ease of movement without being restrictive. Look for options with stretchable fabrics that conform to your body shape. Additionally, check sizing charts and consider your intended activity to ensure the base layer provides the right level of comfort and support.
Yes, performance base layers are versatile and can be worn in various seasons. In colder months, they provide insulation and moisture management under additional layers, while in warmer weather, lightweight options can help wick sweat and keep you cool. Choosing the right thickness and material will enhance their effectiveness across different temperatures.
Performance base layers are ideal for a wide range of activities, including running, skiing, hiking, and cycling. They are designed to enhance comfort and performance during high-intensity workouts or outdoor adventures. The moisture-wicking properties and thermal regulation make them suitable for both casual and competitive athletes.
Performance base layers are specifically engineered for athletic use, focusing on moisture management, breathability, and flexibility, whereas regular thermal wear may prioritize warmth without the same level of performance features. Base layers often utilize advanced fabrics that enhance comfort during physical activity, making them more suitable for active pursuits.
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