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Stay warm and stylish with our collection of ladies thermal tops, designed for ultimate comfort and versatility. Crafted from soft, insulating fabrics, these tops provide excellent warmth without sacrificing breathability. Perfect for layering or wearing solo, they feature a range of styles, including long sleeves and fitted designs. Ideal for chilly days, our thermal tops ensure you stay cozy while looking effortlessly chic. Explore our selection to find the perfect addition to your winter wardrobe, perfect for both outdoor adventures and casual outings.
$41.99
fit feminine fit, long- sleeve t- shirt durable, ribbed neckline style and team spirit screen- printed team graphics additional details officially licensed
$90.00
nike therma- fit adv technology combines heat- regulating fabric with advanced features to help keep you warm in cold- weather conditions ... the incredibly soft, cozy fabric offers warmth while the reflective details add a pop to your
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WAS: $65.00*
bring on the cold. ... high- stretch fabric heat- regulating zipper guard at neck unbelievably soft on inside and smooth on the outside thumbholes let you extend your coverage and help hold the sleeves in place while you
$67.47
WAS: $100.00*
I love it besides the thumb space. ... Could n't be happier with the warmth. ... I work in a meat room and it ’s very cold, I only have to wear my base 4 shirt and my work tshirt and I ’ m kept
5
Mom2025
Got this for my daughter, she is a teacher. Her room is cold and then she has bus duty periodically. So the 4. 0 is perfect for being somewhat sedentary. Surprisingly, actually keeps her warm! She is a chilly person normally, so cold temps are miserable for her. We 've tried many products. The Under Armour is work the investment!
5
KarenK11
I am always cold. This is the solution! Love it!
5
East Coaster
These are the best long underwear going. I mind the cold but not when wearing these.
5
Jea970
The fit is loose but not so lose that I would exchange for a smaller size. The shirt is warm but not too warm when inside. Outside it keeps me toasty at 30 degrees and I ’ m always complaining of being cold. All in all, I ’ m very happy with this purchase.
5
I recently purchased the Under Armour Base 4. 0 Crew, and it's exceeded expectations. This top delivers comfort, warmth, and performance.
$62.00
This shirt is made with such a nice soft material! ... Love the feel of the fabric. ... Comfy ... Soft and warm ... Material is super soft. ... This shirt is true to size and
5
MemaJo
Will not likely wear before the fall season, but it seems perfect for skiing- light fabric for packing, but plenty of thermal warmth. The color was lovely too- subtle rose!![ for layering... sleeves were not super long, so not need to stuff under your jacket.] Would also come in handy alone for fall golf! Also a great name for teens- I got one for my 16 yo granddaughter as well.
5
CowboysforGolf
I purchased this for my wife and she loved the quality and how the material feels.
5
KSC41
I have bought several of these and wore them all winter and even on my trip to Europe and Switzerland and daily on the farm. They are warm and cozy and very comfortable to layer.
5
Stephhr71
Very soft and comfortable. Fits true to size. Recommend for those chilly mornings for your workout.
5
Farmgirl56
I purchased this for myself with a Christmas gift card. I love the fit and the weight( medium)
$24.62-$44.99
WAS: $44.99*
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! ... I feel the shirt is true to size for a thermal so its a snug
5
glasgirl65
Shirts are well made and comfortable. But I preferred the ones from the previous season. Not crazy about elastic thumb bands, they dig into thumb webbing on your hand. They were much more comfortable with the slash cuff thumb hole
5
Cupcake
[ I am 5 foot and have a lot of trouble finding regular small sizes( other than petite) that fit well in the length. This long sleeve is just right
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!
5
Katie
[ Bought one in wine and two in black. The wine fit perfectly but the two black ones were tight under the arm, so I returned them. Quality is terrific and it was well appreciated in the cold Montana winds last month.
5
Sesb2120
[ I purchased this shirt, and another in a different color, after having an earlier model. I ’ ve worn the shirts several times now and I ’ m very happy with them. I do think they run true to smallish in size so maybe order up a size.
$38.22-$98.00
WAS: $98.00*
I also love the hood and the zipper at the neck, as I wear this as my base layer when snowshoeing. ... I love the watch outlet, mittens and the pocket. ... Your hands can easily be covered fully, you can see your watch to monitor progress without pulling your sleeves up, there is a pocket for your...
5
YaelE
Very comfortable, Keeps me warm, great cover for the hands. love it.
5
RaechelD
Love this hoody for cool, windy, or rainy runs. It ’s very soft and warm! I wore it on my first 50K and it was incredibly comfortable. The sleeves are long enough for the thumb holes and the pull over hand warmers are nice if you didn ’ t bring gloves.
5
AuroraG
My new favorite hoody to run in for chilly weather! height 5' 2 115lbs size XS is perfect for me
5
KellyI
Wonderfully comfortable for these cold months, without being heavy or bulky. Has definitely become a staple piece in my running wardrobe. Medium fits perfectly( 5 ’ 10 ”- 155 lbs- typically size 8/10)
5
KimberlyM
Great midweight layer for Saturday morning long runs in the South. I wear it alone for temps in the low 30s. Love the pretty lavender color. Also just enjoy wearing it for casual wear on non running days.
$115.00
whether you have a weekend full of relaxation ahead of you or you 're hitting your local trails, this 100% merino wool base layer made with interlock knit for enhanced comfort, breathability, and odor resistance will not
$180.00
insulation, articulation, and ventilation are seamlessly integrated to help with movement and comfort during high- intensity activities seamlessly knit mesh ventilation 3d mapping results in near custom fit and freedom of movement helmet- compatible hood and extended collar thumbholes at cuffs...
$115.00
designed for- 30° f- 60° f temperature range machine wash cold inside out with like colors do not bleach or use fabric softeners lay flat to dry do not
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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 for a range of body shapes back body seam wraps to front for body- enhancing fit crew neck with...
5
Mele
[ I bought this for a gift for my daughter who works outside in Oregon winters with the horses. She loves it- Warm and cozy and fits like a glove! great base layer! Smart wool has been my go to for years!
$54.99
I received the thermal heavyweight shirt as part of a Carhartt Crew Field Test, but I can honestly say that this shirt is necessary for everyone living in a cold
4
ClaireT
[ Not quite the perfect fit for my girlfriend, but she says they are very comfortable. We also like that they are machine washable, unlike most heavyweight layers with merino wool. And for the price( around 50% or less the cost of other heavyweight layers) you ca n't beat it!
$155.00
insulation, articulation, and ventilation are seamlessly integrated to help with movement and comfort 100% merino yarn provides the full power of merino with moisture management, insulation, thermoregulation, and odor control insulating terry loops are seamlessly paired with mesh ventilation in...
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WAS: $125.00*
slim fit intended to follow the contours of your body fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% merino wool with interlock knit for comfort flatlock seam construction and offset shoulder and side seams designed to help increase comfort and...
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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 for a range of body shapes back body seam wraps to front for body- enhancing fit crew neck with...
5
BGRD
[ This shirt is incredible. I wear them daily during the winter time so I wanted multiple. Smart wool shirts are warm and not itchy at all! I wear them hiking as well as under dressy tops to stay warm in the office.
5
reddread
[ I waited forever to get this on sale and now I wished I 'd bought several in different colors! Warm but breathable, and stylish enough to layer with a jacket for a business casual look. I ca n't wait to take this baby out to the slopes!
5
Beez
[ SmartWool is our go- to for liners. It's well fit, cozy, soft and super warm. It does n't itch and make you warm yet is great to wear inside and on mild days out. Got this one for my wife.
5
klili
[ I got this a couple weeks ago and it's been perfect, it's of course a great base layer, but for days when too many layers are n't needed it is perfect as a long sleeve T- shirt. Hoping to get a couple more to round out the winter layers
5
Springtime44
[ I love smartwool products! This is my second of this specific shirt! My first one was a medium, which is perfect for layering, very form fitting. So I purchased a second in a different color in a large to wear everyday!
$50.00
normal fit, nice bright aqua color, very comfortable! ... Bought this shirt about 3 week ago very comfortable soft fit really well ... Great fit, light weight, warm&
5
Lakasto
I love my new top. It is warm and easy to wear when I work out.
5
Bumblebea
I bought this a few weeks ago and the material is really soft and keeps your warm! Love the colors, I got green
5
JSSQFoley
this crew is amazing- comfy, warm, the material just melts on you. fits boxy which i like. def recommend it.
5
KMG411
Thin warm base layer. Great for outdoor training in the winter
5
Ne ce
I bought this a month ago and it ’s a great shirt very soft
$62.97-$73.77
WAS: $110.00*
regular fit long sleeve
$130.00
super comfy and a perfect base layer ... The color is also gorgeous and definitely keeps warm! ... Very warm and soft not remotely itchy like most merino ... Keeps you warm with out getting too hot when you start
5
Chris
[ Bought the set for my girlfriend and she absolutely loves it. Fits great and would highly recommend.
5
K Nicholson
I purchased this top( and the leggings together as a set). Altogether, it is one of the better base layer fits I ’ ve had the chance to try out in the elements. Overall the top is probably my favorite piece, not only because of the high quality materials used- but because of the sleeve length. As a tall/lanky girly, some genuine long sleeves are always greatly appreciated. The style is also a great plus, the outfit goes with pretty well everything( purchased in black for this reason). The outfit looks great together, but they can also be interchanged with other pieces and they still look awesome all while keeping you warm:)
5
Molly
I bought the fay mid weight base layer top and bottoms and they ’ re perfect. They ’ re so flattering and cute on their own and keep me so warm
5
Natalie
Fit is perfect, it ’s super comfortable- no tugging or readjusting needed throughout the day. Warm without overheating. And it goes so well with my navy ski gear from Halfdays. I always get compliments on the slopes!
5
edmistja
I wear this for outdoor exercise, as an everyday mockneck, and even as a pajama top. Well performing and well constructed. Love the color too.
$49.99
crewneck fits closest to your body for a comfortable fit fits next- to- skin but never restrictive smooth flatlock seams enhance comfort concealed thumb
5
KellyOP
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.
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.
$68.37-$120.00
WAS: $120.00*
The softness and temperature regulation make this my favorite baselayer. ... I am so glad that SmartWool has decided to offer plus- size clothing for women and I hope they expand with even more
$120.00
women ’s regular fit themal interlock knit fabric set in sleeves thermoregulation and
$130.00
The garment care is oh so easy. ... Perfect Top for Layering orWearing Alone ... The styling is also extremely flattering. ... I love the length of the body and the
5
Camper at heart
[ The black cherry color is very flattering. I ordered based on true body measurements and the size chart resulting in a perfect fit. The styling is also extremely flattering. The neck is not too tight and not too loose. I love the length of the body and the sleeves. The garment care is oh so easy.
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WAS: $140.00*
our most advanced performance base layer is 3d- knit to provide a tailored fit with mesh ventilation to balance warmth and breathability ... insulation, articulation, and ventilation are seamlessly integrated to help with movement and comfort merino sport yarn helps combine the moisture management,...
$59.47-$130.00
WAS: $130.00*
slim fit is intended to follow the contours of the body crewneck long sleeves engineered construction uses knit structures to enhance performance with lighter weights and cleaner finish 3d mapping results in near custom fit and freedom of movement while ribbed elbows provide added
$49.99
quick dry lightweight flexible and durable crew neckline construction: comfortable neck opening that keeps shirt in place during running, training or lifting
$120.00
slim fit baselayer top fit updated to improve functionality while enhancing aesthetics for a range of body shapes classic, comfortable crewneck design raglan sleeves achieve added comfort back body seam wraps to front for body- enhancing fit shoulder panels eliminate top shoulder seams flatlock...
5
JaniceN
[ I bought this about a month ago in black and Heather gray. I do miles of outdoor walking every day and need a base layer for walking in the winter in Vermont. This works well as a first layer a shirt and my down jacket. Washed well in cold water, hang on a hanger to dry.
5
sof2024
[ This is my go- to base layer for skiing( or any other outdoor cardio activity... if I ever did one). It's form fitting and has great mobility. I always use merino fabric as my base layer since it's' breathable and odor- resistant. This top kept me warm but not overheated in 30 degree weather with a down ski jacket. I prefer to minimize my layers so this top paired with my jacket is all I need in everything but extremely cold or warm skiing weather. It's also stylish and looks good with ski pants on its own for apres!
5
Cutie
[ I love smartwool classic( midweight) baselayers. Live in Ohio where it's freezing winters and these tops work great as a baselayer or a stand alone top. They are wool so they breathe and it dries quickly if it gets damp( Unlike cotton). I have multiple smartwool tops& love them all.
5
VermontWinter
[ I bought this as a present for my daughter. It ’s perfect as an under layer for skiing. I can always count on Smartwool for quality products. She loves it!
5
Dog mom
[ It got really cold last week- 16 degrees- and I was glad I had purchased this Smartwool merino thermal top. It kept me warm during an hour hike and the material is so soft and cozy. A perfect winter base layer.
$80.00
its lightweight fleece is brushed on both sides and enhanced with heat- regulating tech for all- around fuzzy comfort. ... cozy up in this spacious 1/2- zip
$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
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.
$130.00
odor resistance ... men ’s relaxed fit top interlock knit fabric breathability and thermoregulation drop shoulder
$85.00
stay warm on those chilly morning runs in this top. ... nike therma- fit technology helps manage your body ’s natural heat to help keep you warm in cold- weather conditions thumbholes let you extend your coverage and help hold the sleeves in place while you move collar stretches to add face...
$115.00
100% merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance ... garment weight: 236g( 8.
5
JSSK
[ Smartwool Merino lives up to its reputation. I would say top is true to size. Have not washed item yet, so caveat to be aware. Wish sleeves had thumb hold, but otherwise happy.
5
Epscad
[ Recently bought this Smartwool zip shirt. I love these shirts because they breathe well, fit well, and are not bulky. They keep in the warmth. I also order one size up because they shrink after several washes in the washer.
5
Agaa
[ Fits great, not itchy, very comfortable and breathable, warm and i like the color. It is consistent with Smartwool sizing. I usually wear M and it feels great!
5
Ada B
[ Just what I needed for a day of outdoor adventure. Warm and cozy baselayer for sub- zero days. Zips up my neck for extra warmth. Love the color as well.
5
NickName
[ Love the pattern and softness of this top. It ’s long enough to keep it from riding up over my ski pants. It is more fitted which is good to keep the warmth in and the pattern makes it cute enough to wear casually outside of winter sports.
$155.00
I have the bottoms to match and worn together it looks very cool. ... nike therma- fit technology helps manage your body ’s natural heat to help keep you warm in cold- weather conditions extended hem on back helps keep you covered as you bend and
5
LornaB776124390
Absolutely beautiful. Lovely material lovely colour. I have the bottoms to match and worn together it looks very cool. I have had a lots of compliments. I would definitely buy again if Nike brings out more colours.
$130.00
merino sport yarn combines the power of merino with the durability and fast dry times of polyester mesh ventilation seamlessly knit in gender- specific zones designed to keep the body dry and
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WAS: $140.00*
slim fit intended to follow the contours of your body featuring
$140.00
its flatlock seam construction helps prevent chafing, and the regular fit helps give you room to move without additional bulk. ... add one of our best cold- weather base layers to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or
$125.00
cool iron. ... line dry in shade. ... do not tumble dry. ... fasten all closures to wash and dry. ... do not bleach or use softeners. ... wash with like colors. ... icebreaker harnesses performance qualities of natural fibres to offer an alternative to petrochemical synthetic- based clothing...
5
Kiko
[ Yes, very light but still keep you warm enough to be out at not too warm day. Love the orange bright color. It's a keeper. I always buy XS bc it's the only size been offered for petite people as me. Wish has XXS, will fit me better, wo n't be too long.
5
Robin
[ My husband was so embarrassed I kept wearing my previous icebreaker from time to time, even though it become literally threadbare in a couple areas. Was nervous an updated version might not be as good, as often happens when one buys a replacement for something they 've loved so much, but so far this one has the same fit and feel as my beloved first icebreaker shirt. As well, they are usually `` updated '' colors offered and I was glad this one is pretty close to the original. I 'm sure I 'll get as many years wear out of this one as I did my first and recommend it strongly to anybody who likes winter sports or just comfortable shirts to hang out in during cooler seasons.
5
LiaE
[ I have yet to be disappointed in this brand. Light, warm, not smelly. Thanks …………………………………………………………………………………………………………………………………………………………………..
4
Rhyolyn
This is such a cute top, and I especially like the tunic length. My only complaint is that the arms are a little short, so I ca n't comfortably use the thumb holes. They need another inch.
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