Extreme Cold Weather Base Layer

Stay warm and comfortable in the harshest conditions with our extreme cold weather base layer collection. Designed for optimal insulation and moisture-wicking, these base layers provide a snug fit that traps heat while keeping you dry. Crafted from high-performance materials, they offer breathability and flexibility for unrestricted movement during outdoor activities. Perfect for layering under your winter gear, our base layers ensure you stay cozy and protected against frigid temperatures. Gear up for your next adventure with confidence, knowing you have the best protection against the cold.

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43 products
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On Sale
DSG Women's Cold Weather Compression Long Sleeve Shirt
  • Carbon Grey
  • Pure White
  • Pure Black

DSG Women's Cold Weather Compression Long Sleeve Shirt

$9.87-$35.00

WAS: $35.00*

(191)

These shirts are a great base layer and also can be a standalone wardrobe piece because of the nice fabric and smooth fit. ... Thicker than I expected, great extra layer for outdoor ball games for my

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5 Anda
Bought this for my daughter because her practices are late in the evening and it gets chilly on the field. She says it is so soft and comfortable

5 Softballbeastz
Thicker than I expected, great extra layer for outdoor ball games for my daughter. Sizing was as expected plan to wear outside in spring Michigan weather

5 SabrinaP
My daughter wears this under her softball uniform. She pitches& likes how tight it fits so that it does n't hinder arm movement. It's warm enough that even when it's really cold she does n't need a sweatshirt or jacket on top.

5 Youngn76
Very comfortable. I like the compression. I wish it was available in more colors

5 KaraRoseDi
I bought this to lounge around the house in the winter. It is super soft and very thick.

On Sale
DSG Women's Cold Weather Compression Legging
  • Carbon Grey
  • Pure Black
  • Pure Black Fair Isle

DSG Women's Cold Weather Compression Legging

$8.97-$45.00

WAS: $45.00*

(364)

Very comfortable! ... The tights are nice they hold you in good my support and really warm ... She loves how cozy and comfy they are. ... They stay up on long runs and wash really

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5 Bethruns
I bought these for the cold mornings and they work great. It is in the 40- 50s in the AM and I love these pants for my runs!

5 Beth18018
I bought this a month ago and I am so glad that I did. They are very comfortable.

5 Mary Mary
I bought the tights for a Christmas gift and I bought me a pair too so happy I did the best thing of all I got them on sale I always buy that brand they 're really nice and hold up nicely

5 Wanji
Wore these on a cold run and they held up to the weather just as good as my North Face tights, without the high price tag.

5 Steph587
These help keep me warmer during the winter months! They ’ re still lightweight while keeping me warm.

On Sale
Under Armour Women's ColdGear Textured ½ Zip
  • Dark Maroon
  • Black/Metalic Silver

Under Armour Women's ColdGear Textured ½ Zip

$33.97-$53.99

WAS: $80.00*

(6)

Great for the weather… no matter if it ’s cold or freezing ... Keeps you warm. ... She said it fits perfect with her sports bra, not too tight but just snug

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5 Rbrock0569
Great for the weather… no matter if it ’s cold or freezing

5 TyeTye19
Too and bottom very comfy and cute

5 shaffdogg11
She said it fits perfect with her sports bra, not too tight but just snug enough. Keeps her warm while running or walking the dogs. Very happy she got the whole outfit.

5 Dogs8
Purchased for workout days when I am outdoors. Keeps you warm. Love how it washes.

4 SClipner
Nice material but no pocket

Carhartt Men's Force Heavyweight Base Layer Bottoms
  • Shadow Heather

Carhartt Men's Force Heavyweight Base Layer Bottoms

$54.99

(49)

This is an awesome base layer pant for cold temps and winter weather very warming but not restrictive ... Excellent Base Layer for Cold Weather ... To me, they 're a great cold weather

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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.

DSG Boys' Cold Weather Compression Tights

DSG Boys' Cold Weather Compression Tights

$28.00

(84)

Perfect under clothing for trick or treating in the cold! ... Good product, little tight at the waist if you have a bigger kid but ultimately great fabric kept my son warm during winter

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5 Tif89
Perfect under clothing for trick or treating in the cold!

5 B2424
These really feel comfy for him and fit him perfectly

5 Bobo0210
I bought my daughter some football equipment and it was awesome. She loved it.

5 Honest Ann
Bought for grandson to wear for outdoor soccer when its cold. More affordable for growing boys than name brands. Works just as well.

5 Double time
The pants fits great on my older son. He likes the way they feel and the durability of the material.

Under Armour Women's ColdGear Authentics Crew
  • Midnight Navy
  • Black
  • White

Under Armour Women's ColdGear Authentics Crew

$55.00

(340)

Its the perfect base layer to keep me warm during the winter months in NJ. ... Kept her warm playing soccer in the cold rain. ... It is a favorite and warm on really cold

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5 INYUK
Wow I have been looking for something like this for a while. This top is perfect. It fits great but most of all it keeps me warm. I really don ’ t have to wear anything more but a jacket over this to go to the gym. Thank you Under Armour for always providing top quality workout clothing.

5 Buckeyebabe11
The shirt seems like it ’s good quality and it fits as expected. I don ’ t really like the vented underarms because it ’s a darker shade of gray but that ’s the only thing I dislike about it.

5 Sb123321
Ordered the cold gear long sleeve for my daughter. Kept her warm playing soccer in the cold rain.

5 Goalie07
I wear this top to the gym, soccer practices, and under ski layers. It is a favorite and warm on really cold days.

5 Womens cold gear crew
I love this under armour womens cold gear crew…really keeps you warm…great fit…I ’ m tall and the sleeves are plenty long

DSG Men's Cold Weather Compression Mock Neck Long Sleeve Shirt

DSG Men's Cold Weather Compression Mock Neck Long Sleeve Shirt

$45.00

(236)

Great base layer at a great price ... Super layering for fall soccer ... I bought this for my husband and he can ’ t believe how comfortable this is. ... great for outdoor

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5 HBCPA
Son loves this shirt. Keeps him warm while training.

5 KR24
Just as good as under armor and Nike! Perfect for those cold games.

5 Meaghan C
Bought these for my boys to wear when it ’s cold under there football jerseys.

5 DuckhoopsMom
This is a great piece, especially for players on a soccer pitch who are n't in motion constantly. Washes well, too!

5 Hezzy
My son wear this wen it cold under his football gear definitely keep him warmer

DSG Boys' Cold Weather Compression Tights

DSG Boys' Cold Weather Compression Tights

$28.00

(193)

My very picky 11 year old loves to wear these and said they are comfortable and keep him warm ... I have bought several of these for my grandson great and comfort and

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5 34Soccermom81
These are great. Fit is nice. Good thickness. Would buy again

5 laxfan2024
Did not want to pay for the Under Armour cold gear version. This alternative is warm and fits great! Definitely kept my lax player warm during the cold morning games.

5 Khop2309
These compression leggings are perfect for cold weather. My son wears them under his soccer shorts and basketball shorts.

5 LeonC2023
Got this for my sons last day of soccer as it was 50 degrees for his game kept him warm and was about to practice and play without any complaints about the cold.

5 Buckeyebecky
I purchased this for my son who had been begging for white compression pants- he loves these. This kid busts the knees out of every brand. These are the only ones that have held up! Also they clean up nicely with pre- treatment!!

On Sale
Under Armour Women's ColdGear Textured Leggings
  • Dark Maroon
  • Black/White

Under Armour Women's ColdGear Textured Leggings

$26.32-$27.73

WAS: $80.00*

(9)

These cold gear pants keep me warm on my long walks- coupled with the matching top they not only keep me warm but they look great. ... Very comfortable; great

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5 Rbrock0569
This is a excellent fit… love them

5 TyeTye19
pants fit perfectly and very cute

5 shaffdogg11
They fit perfectly! She said they are comfortable and keep her legs too warm while walking or running outside with the dogs.

5 Buena
Under armour leggings seem to have these thin wide waistbands that I really like, it makes them feel more comfortable then my regular leggings.

5 Walking Buddha 68
I have been an UnderArmour user since they started back in 2001 or there about. Their products deliver on each occasion and never fall apart. I still have a pair of black drawstring pants that I work out in! They are a little worn but still get the job done. These cold gear pants keep me warm on my long walks- coupled with the matching top they not only keep me warm but they look great.

Carhartt Women's Base Force Midweight Tech Crew Baselayer Top
  • Black

Carhartt Women's Base Force Midweight Tech Crew Baselayer Top

$22.97-$44.99

WAS: $44.99*

(14)

Quality is terrific and it was well appreciated in the cold Montana winds last month. ... My favorite part is the thumb loopholes that keeps your thermal shirt in place when you layer over top of it with jackets or

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5 JenniferM
I received this thermal shirt as part of the carhartt crew field test and let me just say they are amazing. The fabric is soft and silky and they fit true to size. I wore them under my Jean's and tshirt to work and they kept me just the perfect warmth. I wear them about 3 times a week and wash them as well and they seem to be holding up great so thank you for a great product. Definitely recommend to anyone looking for warmth and comfort

5 Babyd
I received this thermal shirt to test from carheartt crew and I absolutely love it! It is very comfortable and fits perfectly. I love the moisturizer wicking fabric! It has hidden thumb loops to make it easy to put on your jacket. I would definitely recommend this thermal to family and friends.

5 AndreaJ
I received the Base Force Midweight Tech Crew Thermals as part of a Carhartt Crew field test and I'am so happy I did because I love these thermals! My favorite part is the thumb loopholes that keeps your thermal shirt in place when you layer over top of it with jackets or sweatshirts. The thermal is very comfortable and kept me dry at all times. It has sweat wicking& prevents odor. You can not go wrong with this thermal and I highly recommend it.

5 MELANIEW
I couldn ’ t be happier about being chosen to field test this set! As requested I wore these as much as possible( 3- 4 x a week)! These are honestly the best thermals I ’ ve ever worn!! Whom ever designed these thought of everything!! From the warm ultra soft moisture wicking fabric that keeps you dry and toasty, to the stay in place thumb holes in the top for comfort, you couldn ’ t ask for better thermals!!

5 MehganM
Love the deep purple, top base layer! It fit really well and was long enough despite my 5' 11 '' height. If you are a C cup or bigger, you might want to size up, but for anything smaller it should work. It's odd that this was long enough but the matching pants are not as I 'm very proportional. In any event, I 'm grateful to have this top and I love the feminine color! Thank you!

On Sale
DSG Women's Cold Weather Compression Mock Neck Shirt
  • Pure Black
  • Pure White
  • Pure Black Fair Isle

DSG Women's Cold Weather Compression Mock Neck Shirt

$8.97-$40.00

WAS: $40.00*

(50)

Perfect base layer for the cold and keeps me warm when I need it ... Great for layering on a super cold day but warm enough to wear without another layer on a 30 degree

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5 RmsPA
My daughter used this a few times this fall during some cold weather softball tournaments. She said it kept her warm. Wasn ’ t restricting during pitching or batting. It has thumb holes to cover your hands when waiting to bat or on the bases. I would say it ’s the same quality as her old Under Armour mock neck shirt but at a better price.

5 hdubs828
I received this as a gift and was a bit wary of the material/fit. I get very warm during cold weather runs but this was perfect! Great for layering on a super cold day but warm enough to wear without another layer on a 30 degree day. Ended up purchasing another one. I love them- perfect for running in Upstate NY winters.

5 jaccyn
Nice looking shirt for the winter months. I really like the coloring throughout the shirt.

5 Steph W15
I bought the black and white ones for wearing under my golf clothes in the fall and for extra warmth in the winter. These exceeded expectations and are holding up well. Highly recommend. Perfect for sporting events too!

5 Carolyn27
I bought this shirt a month ago and I love it. The material is really soft and a little stretchy and the colors are really nice and go with everything.

Under Armour Youth Packaged Base 4.0 Crew
  • Black

Under Armour Youth Packaged Base 4.0 Crew

$65.00

(6)

Best Cold weather ... 4. 0 is the best base layer for the price. ... Great for cold early season games ... Kids were the other day and were plenty warm. ... He was warm and comfortable for the outdoor

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5 James CG
This shirt was absolutely perfect for our son ’s outdoor soccer. He was warm and comfortable for the outdoor session. We have already ordered more!

5 Monkmpd
Spend money and buy the best performing stuff you can. And this is it. product was true to size. Kids were the other day and were plenty warm.

5 SkiBear33
4. 0 is the best base layer for the price. My kids are competitive skiers in the Northeast. Our winters are harsh and with windchill the temperatures can drop below zero. Using these 4. 0 as base layers helps to keep their heat from escaping. They hold up well through washing and the boys playing/lounging in them after skiing too. They both have two sets, and I only replace once they are outgrown. I just wish they came in more colors.

5 Snook
Keeps my kid warm and doesn ’ t restrict his movement.

Smartwool Men's Classic Thermal Merino Base Layer Bottoms
  • Black

Smartwool Men's Classic Thermal Merino Base Layer Bottoms

$115.00

(6)

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

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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!

Under Armour Youth Packaged Base 4.0 Leggings
  • Black

Under Armour Youth Packaged Base 4.0 Leggings

$65.00

(4)

I ’ m always cold so these are a blessing for me because they keep me warm and they are not bulky. ... They keep me warm in the coldest weather. ... Fits my grandson he can wear them for indoor practice during winter then outside in

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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

Carhartt Men's Force Mid-Weight Synthetic Wool Blend Base Layer Crew
  • Black Heather

Carhartt Men's Force Mid-Weight Synthetic Wool Blend Base Layer Crew

$44.99

(41)

It ’s extremely comfortable and quickly becoming one of my favorite shirts. ... It ’s warm, breathes and I don ’ t get sweaty going from cold to warm. ... The tall size fits very well and help keep the chill off when I ’ m working in the

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5 HH
[ Great thermal. Very heavy very warm. Pleasantly surprised it did not shrink when I washed it.

5 CurtisK
I ’ ve used it for skiing and also just lounging around the house. It ’s extremely comfortable and quickly becoming one of my favorite shirts.

5 MicahB
This is great base layer! As far as the appearance parameter goes, I suppose that is limited by the user. But the shirt itself is great.

5 AlanL
I work outside at our airport, mostly outside for hours at a time, sometimes in and out in and out. This piece surprised me. It ’s warm, breathes and I don ’ t get sweaty going from cold to warm. I ’ m 5 ’ 7 165 43 chest 33 waist. I went large and got a perfect fit. I ’ m usually between medium and large in Carhartt so, I have to gamble on everything I buy. This is a winner for me.

5 LucasH
These are great! The tall size fits very well and help keep the chill off when I ’ m working in the cold

DSG Men's Cold Weather Compression Tights with Pocket

DSG Men's Cold Weather Compression Tights with Pocket

$45.00

(65)

He said they are also very warm and fit nicely when layering. ... Great for layering ... Kept my son warm in 7 degree weather on our ski trip! ... Very comfortable and

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5 vbalandra
excellent product. Cheaper than Nike but just as good quality wise

5 Ajlavy23
Husband used them to stand outside in the cold and they helped keep him warm. Fit well and did the job.

5 Scottdownintexas
Very comfortable and warm. Get compression fit.!.!

5 KCKasey
I bought these for my son to wear when snowmobiling and he loves the comfortable fit. He said they are also very warm and fit nicely when layering.

5 Mando298
I bought this for soccer and its very warm so 10/10!

Smartwool Women's Classic Thermal Merino Baselayer Long Sleeve Shirt

Smartwool Women's Classic Thermal Merino Baselayer Long Sleeve Shirt

$115.00

(7)

Fits well, comfortable and a breathable but warm base layer. ... great base layer! ... This shirt is so soft and warm! ... She loves it- Warm and cozy and fits like a

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5 Track Mom
Material is so soft. It is also thicker than most other brand wool base layer tops I have bought. Smartwool is a great brand.

5 Raka
Fits well, comfortable and a breathable but warm base layer.

5 Valentine56
This shirt is so soft and warm! As a senior citizen, I get cold easily. Wearing this shirt to sleep in keeps me comfortably cozy.

5 Jill
This is a great product. I purchased one for myself on- line for Christmas, based on the previous smart wool base layer bought in the store in October 2024. The only problem is that the shoplifting tag was still on the product when I opened it on Christmas Day 2025. How Annoying!!!!!! Now I have to return the product. How about some quality control? This was a very unsatisfying purchase.

5 LT70
I bought this shirt about a month ago because it was on clearance. I have already used it a few times while cross- country skiing and it is great. It provides enough warmth without being bulky. I am satisfied with my purchase.

On Sale
ColdPruf Men's Platinum II Crew
  • Heather Grey

ColdPruf Men's Platinum II Crew

$39.99

WAS: $44.99*

(14)

Excellent cold weather base layer ... I 've gone in extreme cold with this( cross country skiing at 0 and below 0 temps) and this type of layer is perfect. ... This is 30% merino wool, perfect for cold weather skiing,

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5 Dad71
Have worn it twice- nice fit, very soft, nice base layer that keeps you warm

5 Jeff
Was exactly as advertised and is a very comfortable fit

5 Jack in Leesburg
Keeps me warm. Does its job. I ’ ll buy another one soon

5 Peter
Very warm and manages moisture transfer as advertised. Great baselayer.

5 BJ Butterball
Perfect fit! Great Value! Quality! Rewards! Location!

Duofold Men's Thermal Baselayer Pants
  • Black

Duofold Men's Thermal Baselayer Pants

$19.99

(111)

He has tried several types and is extremely pleased with these. ... Though I live in a warm climate and do n't need thermals much, they are great when they are

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5 Tim From Pittsburgh
Quality is hard to find, Champion truly makes a quality product. I asked the Average consumer to try and rival this product, be a champion.

5 Ulyn
Bought 2, Husband very happy. Great price and very good fabric.

5 nonedear
I bought these for my husband. He 'd been wearing flannel pajamas under his pants, but these were so comfortable and so warm that he asked me to get more.

5 Sportspack
The Duofold® Originals Men's Thermal Pants are great! I will be ordering more soon!

5 Peregrin
Though I live in a warm climate and do n't need thermals much, they are great when they are needed. Had a pair for years that fit well, was comfortable to wear, could work outside in them. They wore out so I got another pair. They fit well and I expect good things from then.

On Sale
ColdPruf Men's Platinum II Pant
  • Heather Grey

ColdPruf Men's Platinum II Pant

$39.99

WAS: $44.99*

(11)

really comfortable and warm ... Product I was looking for was available, checkout was quick and easy, employees were efficient and friendly. ... Keeps me warm and comfortable I would buy these

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5 Psycho
Fitment is perfect, warmest I 've gotten! May have to buy more!

5 Tkan
Product I was looking for was available, checkout was quick and easy, employees were efficient and friendly.

5 Charlie
I ask for duofold wool and cotton combos, but they are impossible top find anymore. Ny wife gave me two pairs of the Platinum II Pants from ColdPruf for Christmas. They have the same insulation value as the duofold but are less bulky, and much more comfortable due to the merino wool. I like these better than my underarmor, too, easier on and off. Kudos for a fine product.

5 Adawg
Bought this for a ski trip and worked great. Stayed warm all day.

5 Riri
Happy with the purchase. Will definitely purchase again!

ActionHeat Men's 5V Heated Base Layer Pants
  • Black

ActionHeat Men's 5V Heated Base Layer Pants

$159.99

(68)

Work outstanding on a cold night ride. ... I would recommend this item to anyone that does n't like being cold( not just people that work in the trades) ... I work in construction, this product has been great during the colder

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5
I work in construction, this product has been great during the colder months! They keep my legs warm, and they are n't constricting. Best of all, I can charge my phone with the powerbank! I would recommend this item to anyone that does n't like being cold( not just people that work in the trades)

5 Derrick
The thin material plus the heating elements are perfect combination for going outside in your favorite jeans

5 V
Used in temps with below zero wind chill. Worked perfectly without making me too hot.

5 Ed
The quality of the bottoms is great. Work outstanding on a cold night ride. Thin material that fits easily beneath my jeans.

5 Danny
This might sound silly but I wear these under my shorts on the way to the gym, and they really keep my legs warm. Great buy

ColdPruf Men's Expedition Long Sleeve Crew Base Layer Shirt
  • Black

ColdPruf Men's Expedition Long Sleeve Crew Base Layer Shirt

$34.99

(9)

Excellent cold weather protection ... It is warm and comfortable. ... LOVE❤️Love these things don ’ t sweat keeps me warm and dry makes me wan na cry reach for the

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5 mal517
Very satisfied with this item. It is warm and comfortable.

5 LabDad
I have used ColdPruf gear for about 3 years. Living in the northeast it gets cold. These products can not be beat. I highly recommend them to everyone.

5 MercManSniper2A
LOVE❤️Love these things don ’ t sweat keeps me warm and dry makes me wan na cry reach for the sky

5 Mike2380
Nice warm shirt. Not too thick. Very comfortable!!!

5 Firelion
I bought this baselayer to use for my recent snowboarding trip. The weather was windy and 8 degrees each day. I already owned the baselayer pants which were military issued. This top was perfect. It kept me warm for 3 days. All I used was the baselayer and a hoodie with my ski shell over the top. Perfect setup all day long.

Hot Chillys Women's Clima-Tek Zip-T
  • Grey Heather

Hot Chillys Women's Clima-Tek Zip-T

$92.00

(1)

I ’ m 5 ’ 2 ” and 140 pound and a medium fit great. ... I wore it under a ski jacket for snow skiing and it was super comfortable warm and fits great. ... [ Love

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5 Bevshaffer
[ Love this. I wore it under a ski jacket for snow skiing and it was super comfortable warm and fits great. I ’ m 5 ’ 2 ” and 140 pound and a medium fit great.

Hot Chillys Men's La Montana Fleece Zip T
  • Black/Black

Hot Chillys Men's La Montana Fleece Zip T

$92.00

(1)

Warmth and comfort all day. ... Wouldn ’ t think of leaving without out this

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5 Snowhound1701
[ If you ’ re even thinking of going up to the mountains to ski or snowboard for a few days you better have all the layers for any conditions. Unless you want to freeze or be sipping hot cocoa in the lodge while your crew are a ripping it up. There is no equal when it comes to this base layer. Warmth and comfort all day. This is the Cadillac. Wouldn ’ t think of leaving without out this top.

Smartwool Men's Classic Thermal Merino Base Layer Crew Top

Smartwool Men's Classic Thermal Merino Base Layer Crew Top

$115.00

(2)

Went skiing at altitude with this as my base layer and it kept me incredibly warm! ... It's a great color and it's comfortable. ... Perfect base layer! ... My husband loves

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5 Just another white guy
Went skiing at altitude with this as my base layer and it kept me incredibly warm!

5 Enjoy
My husband loves it. It's a great color and it's comfortable.

ActionHeat Men's 5V Battery Heated Baselayer Shirt
  • Black

ActionHeat Men's 5V Battery Heated Baselayer Shirt

$159.99

(103)

I 've only used it so far riding in 50 degree weather but it was warm enough I had to turn it down or off. ... I highly recommend the heated base layer for anyone that spends time outdoors in the

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5
I started with the Action Heat socks, and had to add the base layer to my collection. It ’s just the right amount of heat in the right places to make cold winter hunting trips much more enjoyable. I highly recommend the heated base layer for anyone that spends time outdoors in the winter.

5 Motorcycle C.
I got this primarily for motorcycling in colder weather. It works great. I can wear this with my jacket and jacket liner and I do n't have to wear other layers. I 've only used it so far riding in 50 degree weather but it was warm enough I had to turn it down or off. I usually wear a large but wanted it to fit tighter so I got a medium. The medium fits great. I would say the medium fits me perfect where normally I would wear a large t- shirt or long sleeve. Not too tight but not loose. Have n't had long enough to know how long the battery would last but have used it for a couple hours switching between high and medium and still have battery left. Would definitely use while skiing, etc

5 Laura
Great service and reasonable delivery time, especially as a Christmas order. This base garment is very well made and sizing is perfect. Very pleased.

5 Joshua
I just got my base layer and wore it to walk the dog and it was cold and windy outside. Absolutely was warmer

5 Rodney
Heats your body very well, keeps the cold out, easy to use, must be cleaned gently, I use all the time when a must to be outside for a long duration.

ActionHeat Women's 5V Heated Base Layer Pants
  • Black

ActionHeat Women's 5V Heated Base Layer Pants

$159.99

(59)

I love these base liner pants they are very warm, and I am a person that is always cold. ... They kept me warm during cold skiing days! ... They 're very warm and comfortable to wear when I take a

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5 Camille
I am a journalist and used to go to places where it always get my feet cold, I 've tried looking for alternatives to keep my feet, torso and my knees warm. Until I found out about this product and tried, it never failed. I ordered some socks too. Thanks

5 Rosemary
I love these base liner pants they are very warm, and I am a person that is always cold. I am so thankful that I decided to buy these.

5 A E.
I am so glad I purchased these pants. They kept me warm during cold skiing days! I bought size xs, and it fits ok, just a tiny bit too lose.( I wear jeans size 25 or 26, and I am 5' 7 ''/ 120lb)

5 Susan
These pants were very warm and well made. The only thing wrong is they run big. i normally wear a size medium in everything and these were too big in medium and had to reorder in small.

5 Candance
These pants are awesome. I am a rancher and I need all the heat I can get. This product fits the bill.

Smartwool Men's Intraknit Thermal Merino Base Layer Crew Neck Long Sleeved T-Shirt
  • Black/White
  • Charcoal Black

Smartwool Men's Intraknit Thermal Merino Base Layer Crew Neck Long Sleeved T-Shirt

$130.00

(3)

Functional and stylish ... [ This is a quality built base layer and I 've worn it by itself or under a light jacket for plenty of warmth. ... It ’s form fitting and the multi panels really make it articulate with my

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5 MoosejawDon
[ Feels light on the skin and is plenty warm. I would like a little more move/breath ability in the pits however I do not feel sweaty. Perfect base or mid layer

5 Timoby2k
[ This has become my new favorite baselayer. It ’s form fitting and the multi panels really make it articulate with my movements. I wear it as my only layer in damp mid thirty degree runs. Also looks good to wear on its own out and about.

4 Rory
[ This is a quality built base layer and I 've worn it by itself or under a light jacket for plenty of warmth. Be advised to go one size up, especially if you have an athletic muscular build. Fits close to skin, athletic cut for sure. Looks awesome.

ColdPruf Women's Quest Performance Base Layer Leggings
  • Black

ColdPruf Women's Quest Performance Base Layer Leggings

$39.99-$41.99

(4)

These leggings worked great as `` long underwear '' when I need to be out in the cold. ... I bought these to wear under my jeans to an Eagles game and I was soooo

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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.

Smartwool Men's Classic Thermal Merino Base Layer Pattern Quarter Zip Pullover
  • Charcoal Heather

Smartwool Men's Classic Thermal Merino Base Layer Pattern Quarter Zip Pullover

$120.00

Quick Facts

Longer than anticipated but probably good for tucking in, though not the look I wanted. ... Nice quality, runs

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Crew Neck T-Shirt
  • Deep Navy/Charcoal

Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Crew Neck T-Shirt

$130.00

(2)

[ I bought the Smartwool to keep me warm and comfortable on a 12 day trek in Nepal. ... Stylish and functional ... Excellent comfort and warmth ... It has a very comfortable feel and looks great as

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5 rahoran53
[ I bought the Smartwool to keep me warm and comfortable on a 12 day trek in Nepal. The performance was outstanding and, as advertised, it was very breathable to keep me warm and even cool in the afternoons. It has a very comfortable feel and looks great as well.

5 LPaul
[ I was looking for wool thermal layer for my husband, who runs cold. Rather than settling on a bland look, I chose this colorblock version for its added style. While he does n't fill it out quite as nicely as the model(!), he looks great in it.

ColdPruf Men's Expedition Pants
  • Black

ColdPruf Men's Expedition Pants

$34.99

(4)

They are very warm and very reasonably

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5 Outdoor manly
Bought these on a whim to try out for working in the cold weather. I use them as a base Layer. They are very warm and very reasonably priced!

5 Happy and I know it

Smartwool Women's Merino 250 Baselayer Leggings

Smartwool Women's Merino 250 Baselayer Leggings

$115.00

(65)

[ These are great and probably my favorite pair of base layer bottoms. ... [ I always run cold and this baselayer keeps me warm and toasty during winter

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5 cathy
[ I bought these and the matching top for a hiking trip and LOVE them. They are so soft and comfortable and kept me warm without making me sweat. Perfect!

5 Karen
[ Amazingly soft and NOT itchy at all! High quality and fits very comfortably. Can ’ t wait to try it out soon with cold Michigan winter up north!!

5 Lynn
[ Love the quality and softness of these wool undergarments! I got medium top and bottom and they are true to size. I hike alot in the winter in the Smoky Mountains. These garments kept me cozy and warm! Love the mint green color also!!!

5 inaudwetrusr
[ These are great and probably my favorite pair of base layer bottoms. They are cozy, not too tight and breathe nicely. I ’ d like to buy another pair but my size is out of stock.

5 Ralph
[ I am an avid walker and must have my daily jaunt or I will go bonkers. I have hiked in all weather from the cold sub temps of Minnesota to the rainy and windy winters of Texas. Having warm thermals are essential. Searching online reviews, Smartwool keeps popping up. My wife and I bought two sets each of tops and bottoms and she just simply loved them instantly When ever the temp dips she gleefully pulls on her Smartwool NTS and a shell and she is out the doors. The material is just the right thickness and the seams are well hidden. It instant warms the body and as claimed, do not smell after a few uses As for durability we have to wait and see. We have other woolen garments and we can see these products appear to be durable. No regrets buying them but regrettably the color choices are limited due to stocks available.

Halfdays Women's Fay Merino Baselayer Top
  • Spiked Cocoa
  • Navy

Halfdays Women's Fay Merino Baselayer Top

$130.00

(29)

Very warm- wore as a base layer in Aspen when temp was 15 degrees and stayed cozy all day- also wore a different brand( volcom) fleece mid layer and then burton jacket good

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5 Saima
So warm! It was the only layer underneath my jacket and I had no warmth issues. Very flattering. Going to purchase more of these for other sports activities!

5 CG
[ This layer kept me so warm on a 20° ski day, while also allowing me lots of movement. Very stylish, got so many complements.

5 Maya
[ I wear it all the time! It ’s super warm and comfortable and I love the fit of it- especially the mock turtleneck. I want more colors

5 Liz
[ Gorgeous- super lightweight but still warm! Great quality& fits TTS.

5 Lily H
So warm and stylish, and can be worn for multiple days skiing in a row.

Carhartt Men's Force Mid-Weight Wool Blend Base Layer Pants
  • Black Heather

Carhartt Men's Force Mid-Weight Wool Blend Base Layer Pants

$49.99

(67)

They are very comfortable to wear and keep you warm in very cold windy temps as a base layer and are very breathable as I also wore them in an office setting in a temperature regulated building and did not

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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.

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt
  • Ether

icebreaker Men's 125 ZoneKnit Merino Thermal Long Sleeve Shirt

$100.00

(5)

It works great as a base layer, but it's versatile. ... They are extremely comfortable, come in a variety of nice colors and weights, so are quickly replaced my synthetic top

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5 Jag26
Like the feel of this LS tee. Can use it as a base layer or by itself on cooler days. I personally used it for an outdoor run and felt great. One thing though… while the fabric is intended to wick sweat out, I did notice the tee being soaked so not sure I ’ ll be taking it out for runs again. The length of the tee is also a little short so consider that if interested in this shirt.

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

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 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 Zack
[ I mostly wear this shirt for sun protection when i ride my bike on hot days. It has a nice fit and is very lightweight.

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