â
Stay warm and comfortable with our collection of men's thermal shirts, designed for optimal insulation and breathability. Perfect for layering or wearing on their own, these shirts feature soft, lightweight fabrics that trap heat while wicking away moisture. With a variety of styles and fits, you can easily find the ideal thermal shirt for any outdoor adventure or casual outing. Elevate your cold-weather wardrobe with versatile options that combine functionality and style, ensuring you stay cozy without sacrificing your look.
$11.97
WAS: $19.99*
Very comfortable and soft. ... The fit is perfect, it ’s warm and soft. ... Great thermals this my 3rd pair and they soft and keep you warm when needed ... nice midweight fabric, tight
$43.97
WAS: $70.00*
These thermals fit great, feel awesome and meet all my expectations in function. ... Perfect for winter ... I work snow removal and this was perfect to wear. ... Warm and
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.
$169.95
This TM quarter zip with its thermal knit and waffle texture exterior will not disappoint. ... its thermal knit and waffle texture trap warm air, achieving perfect midweight insulation all without the
5
Fabio
Very comfortable. Absolutely love the quality and style
5
PFDD
Super comfortable and perfect weight for in between days
5
skkawaoka
Soft and comfortable pullover sweatshirt, love wearing it
5
Brad12
Extremely comfortable and professional look for work or on the course. Love the quality
5
Ryno
Great pullover so soft. Perfect for those chilly rounds in the AM.
$67.97
WAS: $90.00*
. feels good next to the skin ... This will be a great base layer for cold weather and great outer layer when the temps are cool or warmer. ... Bought a month ago and will use all
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
Lawrence45
Purchased a Large. The fit& feel is nice. Only issue is it maybe a little too tight in forearms( if you like to roll- up your sleeves).
$55.00
Warm and thin great shirt! ... Love the underarms fleece turtleneck so comfortable and keeps me worm ... Very breathable and doesn ’ t get gross smelling. ... I need this for a football game and it was thin but warm and easy to move
5
Davidkan
Very comfortable. Fits very well
5
K Saucier
Bought for an Alaskan trip and product kept me warm the entire trip.
5
JD2716
Used for cold, rainy baseball tournament and very impressed with the quality
5
Ann and Glen
This is a cozy and warm under armour coldgear. It ’s lightweight and can be worn as a base layer or wear it on its own. It ’s a nice fit and washes up beautifully. The grey colour is quite sharp.
5
Baseballguy3395695
This shirt provides a lot of warmth but is super soft and comfortable. Great for under shirts on the baseball field or in the stands watching. Also used for outside work as it wicks moisture while providing warmth. I have not gone for a long run in this shirt as it may be too warm for that.
$55.00
So warm and fuzzy inside. ... Excellent material compress shirt to wear underneath to keep my son warm during his games ... Always the brand of choice for Cold Weather sport
5
mikek849
The shirt serves the prepose it gives you a thin layer of extra protection from the cold. it is form fitting and comfortable.
5
BobShopper44
The fabric is really warm and comfortable. Nice colors and true to size.
5
JayStan
Bought this for my 16U son because Spring baseball in the northeast is COLD! Very good quality and keeps him warm. Would highly recommend! Price may be a little high but for the quality it's worth it.
5
PrideOk2
I have a high school baseball player in Colorado and this has been a perfect addition to his wardrobe to stay warm and have the flexibility to play. Loves it.
5
LB2010
Bought this for my teen baseball player, keep him warm in the cool early spring weather and had a tighter fit like he likes.
$60.00
compression fit shirt 4- way stretch material moves better in every direction mock neck design offers added coverage for a comfortable fit long sleeves deliver complete
5
Joel2325
Cold Gesr turtle neck never lets me down. Always keeps me warm during the winter& I had to get some new gear. Will be back for plenty more!
5
Muhamed Ali Hawk
100% Satisfied Like Always, My Forever Favorite Brand, I Bought Five In Black Color, All Fit Perfectly, Nice And Soft Material, Thank You UA.
5
Blackknight89
I bought this to wear on the golf course during cold weather. I don ’ t particularly like to over layer when playing. I like the tight fit and moc turtleneck. It is extremely comfortable and can even be worn in moderate to warm temperatures. It came out of the wash in perfect condition. I would recommend this product to friends and family.
5
Paulie84
Super comfy true to size and keeps u warm in cold weather
5
JE Eggers
Fits great, and keeps we warm
$19.99
WAS: $24.99*
60% combed ring spun cotton, 40% polyester fabric weight: 5. 25 oz. ... two- layer engineering traps air between layers providing a natural barrier of warmth tagless design and flat seams provide a smooth fit and extra comfort rib cuffs and drop tail for added protection against
5
LALO4U
This is great for people who work outside keeping you warm and comfortable
5
nickname111111
i get cold easily. this helps. thank you very much
5
Ore76
I purchased this also for my father and he just loves it.
See Price in Cart
WAS: $95.00*
its classic fit is roomy enough to layer or wear on its own while you conquer your mileage goals ... smooth jersey fabric is lightweight and breathable built- in stretch that moves with your every stride water- repellent finish helps you stay dry in wet conditions thumbholes let you extend your...
5
More of Joe
Keeps you warm! Even in freezing cold weather and wind!
4
trackstarenroute
Purchased the top for my son as a gift. It is a good texture and seems quite durable. It is loose fitting more than I imagined. Does not fit to body.
$55.00
Good balance of warmth and comfort. ... He said it was very warm and felt great underneath. ... Keeps you warm during chilly Spring games without constricting range of
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.
$14.97
WAS: $24.99*
Soft and comfortable with invisible elastic waistband ... Soft and warm ... Says they are comfortable and keep him warm ... Love this baselayer, fits great and very warm in mild
5
soKate120mm
Perfect fit, great material, and medium weight make this a versatile base layer for any occassion.
5
APEKS 360
This is whatwe may have called silk weight 20 years ago. I was looking for patagonia r1 and this is as close as i could find at dicks. This is ideal for commuting and inside wear. This is not the ideal pick for outdoor sedentary wear( ie skiing, campi
5
Mad Anthony
I bought this for my outdoor sport activity, but now I use it in casual wear as well. With the cold weather having hit, and sub zero windchills, this shirt my go to! Very comfortable and warm
5
Brianniz75
My son said it kept him very warm! He was very happy to have it on
5
DeniseG307
Bought this for my husband because he works outside and he loves them. Says they are comfortable and keep him warm
$85.00
viz® powerful reflective elements that reach 100 meters for night visibility upf 50+ sun protection ... semi- form fit design 175g select thermal fleece fabric with 4- way stretch provides freedom of movement and warmth ykk semi- locking front zipper adjusts venting easily on the fly traditional 3...
$14.97
WAS: $44.99*
two- layer thermal for warmth in extremely cold weather flatlock seams to avoid irritation drop tail protection against the cold ... Great all around first level of protection against your
5
ToastyWarm
I have been buying the `` Varitherm Expedition '' long johns for decades. I became aware of them when my children were young, while comparing Dick's in store selection quality. They are so warm for winter sports.( I even enjoy wearing them as pjs.) I just purchased multiple sets for Christmas for my adult sons( all their wives confiscated their sets) and even my first grandchild! They all love the `` Expedition ''!
5
SM72
I bought this for my boyfriend the night of the freezing weather( Houston we are babies about that) and he had to work outside all night in it. He said it was was warm and not to bulky.
5
Jimmyp
Great fit! Summer now, so wo n't use it for a while, but seems like a really nice base layer.
5
Chow
Could not believe how soft, warm and comfortable the Baselayer crew was. Tried one bought five.
5
R A C in Rapid
Fits great. Great all around first level of protection against your skin.
$44.97
WAS: $60.00*
These are very comfortable and keep you warm. ... I have to work primarily outdoors, and these help to provide that extra level of protection without being too heavy or
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.
$63.97
WAS: $100.00*
I wear these for while working outside, and they do a great job of keeping me warm while I ’ m doing light work. ... I was amazed how warm and comfortable this
5
Fits like a glove, great material, true sizing.
5
SK719
Keep me warm while doing ice rescue training
5
JohnG111
Absolutely amazing- wore on single digit weather and only my hands and feet were cold
5
Dh2207
I bought these for my boyfriend who is an avid hunter and Lineman, he loves them! They keep him warm without getting sweaty!
5
Jm6990
I don ’ t like wearing a coat in Wisconsin. I wanted a solution that provided warmth while still fitting my aesthetic. This base layer 4. 0 has been perfect for me. It ’s fitted, not bulky and makes a huge difference in keeping my chest and arms warm with just a long sleeve on top of it. I recommend!
$36.00
quad- blend fabric technology allows heat retention to keep you warm ... relaxed fit long sleeve shirt ultra- soft brushed interior offers all- day comfort and warmth true comfort stretch for ease of movement non- deforming design helps hold the shape tag- free design provides a fuss- free wear...
$51.99
dry technology wicks sweat and dries fast rugged flex stretch technology is built to move odor- fighting technology ... force fast ... crewneck long sleeves concealed thumb loop holds the sleeves in place strategic paneling provides breathability smooth flatlock seams reduce chafing tagless label...
5
Ecko
It's a great fit i will get another one but this time in medium size. It's a hit& miss on my end.
$100.00
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...
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.
$65.00
The super soft merino wool fabric helps wick moisture and keeps me smelling fresh while I 'm out on the trail and wo n't stink after a long day, it also helps keep me
5
lukasz1979
Nice material, better than other merino T- shirst I got in the past, including Icebreaker. I bought one more Abisko Wool T- shirt right away.
5
Axel
Best t- shirt around. Got in 3 colors and will buy more in a heartbeat should more colors come that suit me. Excellent flattering fit, really like the slightly longer arm that does n't ride up. Please add even more staple colors and v- neck options would
5
pizzalover
[ I love most Fjallraven's gear and this shirt is no exception. I am 5' 9 '' 178 lbs. I got the medium and it fits great and has held up great. I 've worn it to mtn bike and hike. taking the dog for walks and hikes it performs great. wicks well when I work up a sweat and works great as a base layer.
5
Jcferrill
[ Plan on ordering more. I ’ m wearing it right now. Great for layering& work from home sceanario. Real breathable at a good price. Also, comfortable for camping.
5
Hoot
[ I used to buy Icebreaker only when purchasing merino wool shirts. But FR produced lately nice and reasonably priced merino wool shirts. The quality seem on par with Icebreaker. The only problem is the color. It does n't look like much in the picture but in reality it is even more blah..... well, since I wear it usually as a base layer, I do n't really care.
$39.99
WAS: $44.99*
outside layer: 70% polyester/ 30% merino wool ... pruf® technical fiber polyester with silvadur™ intelligent freshness ... inside layer: 100% cold ... rib cuffs drop tail for added protection against cold regular
$44.99
My fiancé loves to layer it to give an extra layer of warmth without the bulk. ... You feel instantly warm and cozy when you put this on. ... They 're warm, comfortable, and definitely work for my vet
5
AnthonyV
Very comfortable and warm, while also lightweight, perfect for a few days on the slopes!
5
Denise
[ Keeps my husband warm when he works outside! Will purchase more
5
SOCORROV
They are a Christmas gift but the material is awesome.
5
ArturoR
It is amazing, kept me warm when the tempt dropped to 17°F
5
Slim67
Lightweight, soft and warm, just what is need from a base layer
$189.99
This is perfect to stay warm while working outdoors in the cold weather. ... It gets very cold where I live and this helps tremendously. ... I can wear a shirt under this and even a jacket over it and stay perfectly warm and
5
Bought the shirt for my dad who ’s just turned 83 and it works great and easy to use
5
lennie
Comfy, cozy, heated flannel shirt. It's great to wear even without the heat turned on. I 'd buy another one if it came in different colors.
5
rory
I might look like a lumberjack, but I 'm as warm as a snuggly kitten in this flannel shirt. it's great in the fall and spring over a t- shirt, or under my winter coat when the snow hits the fan... so to speak.
5
Jay p
This flannel is wonderful! The highest level gets hot very quick. It gets very cold where I live and this helps tremendously. I can wear a shirt under this and even a jacket over it and stay perfectly warm and toasty. The battery does n't get in the way or hold a lot of weight. The button is very helpful too being right below the neck area. This shirt works while working or just hanging out!
5
This is perfect to stay warm while working outdoors in the cold weather. I even bought an extra battery for good measure.
$57.99
This may be listed as thermal underwear but it's nice enough to wear as a shirt. ... Makes an excellent base layer for outdoor sports activity. ... He is very satisfied, says this helps keep him warm better than other brands he has
5
Kellieruth
I bought this for a trip to Colorado. Worked great in cold temperatures and washes up to look brand new.
5
Jay64inTexas
I bought two of these in preparation of a freezing winter weather storm. I could not be happier with the quality. Theese are great as shirts as well. Seemed a little costly, but well worth it.
5
SOCORROV
They are a Christmas gift but the material is awesome.
5
JohnW
I purchased the thermal pant at a local Carhartt store, and the thermal shirt online. Both fit perfectly and provide good warmth under the Carhartt twill pants.
5
MicheleL
My husband now has one of these for everyday, they are comfortable and do a great job of keeping him warm as a base layer.
See Price in Cart
WAS: $34.99*
machine wash cold ... dry® wicks away sweat rugged flex® moves with you fights odor ... built with force technology to wick away sweat and dry fast
4
HM
Great base layer for mild winter climates such as the Southeastern part of the US.
$29.99
trim athletic fit with extra length in body and sleeves to give you comfort while you move crewneck for easy on and off slip hemmed cuffs to hold you in as you move lightweight, with single layer engineering for a comfortable
$159.99
Quick delivery, charges great, and heats up quickly. ... He was very impressed with the smaller flat battery. ... It keeps me so warm and cozy and I couldn ’ t imagine life without it
5
Renee
You don ’ t realize how much you need a heated base layer until you have one! It ’s been such a benefit to various aspects of my life. I wear it beneath my layers when spending time outdoors during winter in Wisconsin. But I ’ ve also worn it to work( in an office) during especially cold days. It fits true to size and is comfy. Somehow it seems to trap heat inside yet it ’s also breathable, I don ’ t sweat in it like I have with other base layers.
5
The Base Layer Shirt takes the bite out of any cold day! And the battery last for hours! Washed it in a cold wash then hung it to dry, easy peesey! Definitely worth it!
5
I bought the base layer for my son who works at Disneyland in Anaheim Ca. and he loves it. Keeps hos 3X body warm when working nights. Great product
5
GLWS
Just wearing the shirt and not on has been enough to keep me warm. The few times I have used the heat, I set it on lthe lowest setting and was plenty warm.
5
Luke B
Definitely worth having extra battery banks if you ’ re skiing all day or anything like that, also could use an extra hole in the battery pouch so you can route the cable to a pant pocket more easily. Besides that, it definitely lasts through the wash and multiple winters
$63.97-$85.00
WAS: $85.00*
no matter the season or the activity, this base layer is made for it. ... Great quality, ordered for my husband for Christmas. ... He loved it.. would order
5
MAJB
Great quality, ordered for my husband for Christmas. He loved it... would order again.
$72.97-$115.00
WAS: $115.00*
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 shoulder panels eliminate top shoulder seams flatlock seam construction designed to minimize...
$44.99
dry® technology lining wicks away sweat rugged flex® technology moves with you fights odors flocked seams and tagless label add to overall comfort zip pocket on chest concealed thumb
5
Kaiii
[ Carthatt is a quality brand that is made affordable. I used this for my snow trip and it gave me warmth so I do n't have to layer too much. Very satisfied with my purchase!
5
Bobby
[ I knew I was getting a good shirt because this is my second one. It fits snug enough to keep out the wind. It wicks and dries like an athletic shirt. Since it is 100% polyester, it is likely more durable than most. It keeps its shape and looks better than most.
5
BD592
[ Best value for your money as far as base layers go. You can spend 3x more on Smartwool or Icebreaker if you are looking for the best with a hefty price tag. Overall, this lives up to Carhartt ’s name
5
valleygirlvamp
[ I bought these for my husband who happens to love Carhart. Moosjaw had the most competitive pricing and shipping rates. The product got here fast, and safety packaged.
5
Josh
[ I have purchased a half dozen Carhartt Base Force crew shirts. Yes, they 're expensive. Yes, they 're worth it. They keep me extraordinarily warm, and they 're very comfortable. They 're worth every penny you 'll spend. Buy one for your dad, too. He 'll appreciate it!
See Price in Cart
WAS: $120.00*
as one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature- regulated as you enjoy high-...
$39.99
I bought this to wear skiing in Tahoe and it kept me nice and warm in 20 degree weather. ... They were soft and comfortable enough to wear around the base of the mountain when not skiing, and they kept me warm when was doing down the
5
Meals
Bought these specifically to wear while skiing in the Rockies in Colorado in January. They were soft and comfortable enough to wear around the base of the mountain when not skiing, and they kept me warm when was doing down the slopes. Have no complaints about this shirt. It was perfect
5
CHutson
I bought this to wear skiing in Tahoe and it kept me nice and warm in 20 degree weather. I love how the back is longer and doesn ’ t ride up.
4
Zephyr TX
I bought this for my teen to use as a base layer for skiing and sledding. It kept him dry and warm and fit him well. I bought a duofold base later too too and liked the duo fold a little better as far as stitch quality and material quality and the duofold material seemed a little thicker but I ’ m keeping this one too.
$34.99
It is warm and comfortable. ... Very comfortable! ... LOVE❤️Love these things don ’ t sweat keeps me warm and dry makes me wan na cry reach for the sky ... Very warm More like a
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.
5
Mike2380
Nice warm shirt. Not too thick. Very comfortable!!!
5
MercManSniper2A
LOVE❤️Love these things don ’ t sweat keeps me warm and dry makes me wan na cry reach for the sky
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
mal517
Very satisfied with this item. It is warm and comfortable.
$75.97-$120.00
WAS: $120.00*
slim fit top contour the body heavy base layer top and best base layers for cold weather made with interlock knit for enhanced comfort offset shoulder and side seams to increase comfort and minimize chafing side seams wrap to front for body- enhancing fit temperature regulated: helps keep you...
$92.00
relaxed fit four way stretch for unlimited movement activated carbon enhances thermal regulation and odor blocking properties upf 30 protection moisture transfer fibers move moisture away from skin to keep you dry soft hand feel makes it easy to layer
$90.00
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...
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
CAL
[ The most comfortable shirt I own and I really enjoy the way the material feels. I also own the `` normal '' ZoneKnit shirts and I had problems with the fabric tearing easily. This has held up better.
$75.00
moisture transfer fibers move moisture away from the skin to keep you dry and comfortable built- in 4- way stretch allows for full range of movement in every direction activated carbon enhances thermal regulation and odor blocking properties upf 30 protection blocks the sun ’s...
$65.00
Kept the moisture off of me yet kept me semi warm. ... Does n't wick moisture as well as I had hoped but overall keeps me smelling fine after a few days, is comfortable in cold and heat, and looks good( bought black so doesnt show moisture) Downsides are price( all merino shirts are expensive so...
4
rr11
[ Have worn a few times and overall very good. Does n't wick moisture as well as I had hoped but overall keeps me smelling fine after a few days, is comfortable in cold and heat, and looks good( bought black so doesnt show moisture) Downsides are price( all merino shirts are expensive so not that big of a downside) and extra effort to clean( again all wool products).
4
MAINEEYAK
[ Used this shirt on a 2 day hike in the Whites. Worked perfectly. Kept the moisture off of me yet kept me semi warm. The problem I have with synthetics is the smell. I rock and roll out there and it comes at a cost. This bad boy, you could hardly tell. Passed the wife smell test 😁😁😁
$92.00
machine washable ... active fit micro- elite chamois gussets under arms and at cuffs for a closer fit zip through collar with interior wind flap for ultimate warmth moisture transfer fibers move moisture away from skin to keep you dry upf 40 protection extended cuffs with thumb holes zip pocket on...
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.
See Price in Cart
WAS: $115.00*
# Sweepstakes After having their all season or originally 150 merino clothing, this thermal merino is perfect for those cold morning runs. ... This shirt was so soft and
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
$34.99
fabric weight: 5 oz. ... 100% cold ... single layer, lightweight fleece rib cuffs drop tail for added protection against cold regular
See Price in Cart
WAS: $155.00*
this bulk- free, 100% merino wool thermal layer brings a new dimension to active winter wear ... insulation, articulation, and ventilation are seamlessly integrated to help with movement and comfort during high- intensity
$81.97-$130.00
WAS: $130.00*
slim fit to follow contours of the body made with merino sport yarn: combines durability and fast dry times of polyester seamlessly knit mesh ventilation designed to keep you dry and comfortable 3d mapping provides maximum mobility ribbed elbows provide added durability mesh zones for better...
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.
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.
$100.00
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...
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.
$130.00
insulation, articulation and ventilation are seamlessly integrated to amplify movement and comfort during high- intensity activities ... slim fit merino sport yarn combines the power of merino with the durability and fast dry times of polyester seamlessly knit mesh ventilation designed to keep you...
$75.97-$145.00
WAS: $120.00-$145.00*
we 've updated the fit of our men's classic thermal merino base layer 1/4 zip to improve functionality while also enhancing aesthetics. ... size medium center- front zipper: 10 '' ''( 25 cm) machine wash warm gentle cycle wash with like colors do not bleach tumble dry low cool iron as needed do not...
$41.97
WAS: $50.00*
Excellent sleeves for cooler weather ... Kept me warm and it is exactly what I was looking for. ... Great thick and durable! ... It has a great style to it, also keeps you
$90.00
It was a gift for partner who works as a technician& this thermal is very lightweight perfect to wear all day. ... dry- pro™ materials actively pull moisture away from the body to help keep you feeling dry and comfortable during
5
Matt
Great single layer for those colder mornings! The DOTKNIT is soft yet durable and wears great, wash after wash!
5
Paul
Love the look and feel of this Thermal zip. I always order size large and this fits me perfectly.
5
William
Great product, very versatile and soft to the touch.
5
David
Love this piece! Fun fabric, great fit, style, and oh- so comfortable.
5
FABIAN
I was honestly surprised by how well this product performed! The quality exceeded my expectations, and it's been super reliable. Definitely worth it- I 'd recommend it to anyone looking for something that actually delivers on its promises!
$52.97
WAS: $85.00*
dri- fit® technology eliminates excess moisture to keep you dry nike® therma sphere material offers lightweight, insulated warmth ... not intended for use as personal protective equipment(
$38.97
WAS: $108.00*
fit& design our slim fit is intended to follow the contours of the body flatlock seam construction and offset shoulder and side seams designed to help increase comfort and minimize chafing offset shoulder and side seams designed to increase comfort targeted mesh ventilation technology fabric...
5
mullimullimullis
Fit is great, typical Merino, lightweight, and great as a base layer. Purchased on sale and a good value.
$55.00
the fairfax thermal hooded long sleeve is a cold- weather staple built for comfort and style. ... machine wash cold( 30c), gentle cycle use non- chlorine bleach if needed tumble dry low cool iron dry cleanable do not iron
$69.97
WAS: $110.00*
slim fit intended to follow contours of the body merino wool fabric made with interlock knit for enhanced comfort, breathability, thermoregulation and odor resistance offset shoulder and side seams designed to increase comfort and minimize chafing side seams wrap to front for body- enhancing fit...
Continue browsing
(6) 
