Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool updated this 100% Merino wool fan-favorite with an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction helps prevent chafing and increases your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.
REVIEWS
19 Reviews
Tite
Satisfaite, car acheté pour rester au sec lors d'activités sportives intenses et cela fonctionne. Cote sensation, ni doux ,ni rugueux.
TB
I've had this shirt for a few days and have already used it for hiking, cycling, and a cozy layer around the house. It's a great weight and very breathable. I usually wear a medium and got a large for a looser fit, which worked well!
Leah
I bought this shirt about 8 years ago and it quickly became my go to for any outdoor winter adventures. Just bought a new one so I have another. This is an amazing winter wardrobe staple.
Anne
Très confortable, j'adore le porter en sous couche autant pour le ski ou la course et même pour une marche.
brva
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.
Malena
Super comfortable, I would just size down a couple sizes if you want a tighter fit but its totally preference.
Jayrin
Perfect for hiking and winter walks! So soft and comfortable and keeps me nice and warm during all my winter outdoor activities.
Dom
Great quality and very comfortable. Very cute and easy to wear after skiing since it hardly looks like a base layer if you get a solid colour. Very warm, went skiing in weather below -20 degrees Celsius and was comfortable.
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.
Backwoodsbigbird
Bought so my wife can stay warm icefishing and winter hiking.
Robyn R.
I have worn this base layer around the house and for casual outdoor activities, so haven't put it to a real test yet. But so far I love the color and how it fits. Sometimes base layers can be sooooo skin tight that they are uncomfrotable to wear on their own, but this one is not like that! It is flattering and fits great, and is soft and warm. The only thing I am concerned with happening is the cuffs/sleeves stretching out if I pull them up, as they are already a bit loose. But not a deal breaker, and would not discourage me from wearing it. Overall, nice baselayer and excited to test it out in Iceland in the spring!
Kat
Great winter design motif . Makes a great Holiday gift
Tea
This top is so functional and flattering. I usually go for size small but chose to get a medium since I hate the feel of a tight base layer. The medium is so comfortable, not tight in the armpits even with wide shoulders and breasts. I have been wearing this top around my house in the cooler winter weather, on dog walks, snowshoes, and even skating in -20C and have yet to catch a chill. Better yet, the print is STUNNING!! I bought this top in the flower pattern and cant get over how pretty it is. You could wear it as a regular shirt, but even just seeing the pattern beneath a sweatshirt collar looks nice.
KM
I use this for winter hiking. I have another Smartwool base layer and was expecting a second the same. However, this one is a heavier weight than I was expecting. Still comfortable, very warm, and I love the colour. Fits perfectly.
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.
Read All Reviews (19)
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