How to Choose Base Layers

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Updated with a fit to improve functionality while enhancing aesthetics, the women's Smartwool Classic Thermal Merino base layer bottoms bring you comfort to conquer cold-weather days and activities.
Shop newer versionImported.
View the Smartwool Classic Thermal Merino Product LineView all Smartwool Women's Base Layer Bottoms| Best Use | Multisport |
|---|---|
| Fabric | Merino wool |
| Underwear Weight | Midweight |
| Inseam (in.) | Unavailable |
| Gender | Women's |
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Nice pair of base layer pants. They go well under my hiking pants. I wish the waist were a tad higher on the rear (I have a larger butt). Comfortable. I wear other base layer pants around the house and to sleep in. The color on these definitely exposes all of the dimples on your legs. Not a big deal, for so many reasons. Just don't be alarmed if you have thick thighs.
I love Smartwool base layers. The tops have cute designs and you can get matching bottoms. I wear the tops like a regular sweater with jeans in the winter and have received several compliments. We recently went to Antarctica and the base layer tops and bottom were light to pack and also warm and comfortable to wear. 👍🏻😊
I absolutely love the Smart Wool Thermal merino wool leggings- will be using the set to sleep in for colder hike thrus this fall up north. I can’t wait. They are so soft, warm and comfy. The fit was great and I really like the color.
Super comfy and warm! I’ve had my first pair for four years, wearing them just about every other day in winter, and they just got their first little hole. So, quite a sturdy garment considering how fine the fabric is. Happy to have a new pair in black.
Absolutely love the feel of these thermal pants. I plan to use these on the trail to sleep in on cold nights. It should be comfy and warm. Can’t wait.