For those who like a traditional turtleneck, but made in SmartWool's warmest & softest midweight NTS fabric. Roll the neck up or down, depending on the wind chill factor.

The Smartwool Womens Rib Polo Shirt hugs you in a close fit fitting for anything from a day on the trail to an afternoon cruising town.

20% Off! The Smartwool Lightweight V is a great primary or base layer for aerobic activity. The high-quality merino wool fibers wick and evaporate to help you stay...

For the heart and shoulders of winter.

For the heart and shoulders of winter.

Bathing your legs in comfort and performance, the SmartWool Women's Microweight Bottoms feature next-to-skin custom-fitting, a covered elastic waistband, and flatlock seams.

Go anywhere and do anything in Smartwool's Ewenify T-Shirt.

The Microweight Crew is Smartwool's lightest-weight thermal underwear.

SmartWool comfort and an active fit combine in the Ewneify Tank for a sports-minded top that's prepared for the challenges of an active lifestyle.

The SmartWool's Zip-T is a midweight long underwear top that's luxuriously comfortable against the skin while offering proven moisture, temperature, and odor-control abilities.

Smartwool made their Womens Lightweight Rib T-Shirt with a form-fitting merino wool knit which provides all-day comfort and killer moisture management for anything from a run...

Featuring a classic neckline design with flatlock comfort seams, the SmartWool Women's Microweight Crew is the perfect next-to-skin layer for any moderate-weather activity, e...

Featuring a classic neckline design with flatlock comfort seams, the SmartWool Women's Midweight Crew is the perfect next-to-skin layer for forays into alpine environments.

Featuring a classic neckline design with flatlock comfort seams, the SmartWool Women's Microweight Crew is the perfect next-to-skin layer for any moderate-weather activity, e...

Extremely lightweight, the SmartWool Women's Microweight Tankis perfect for any warm-weather aerobic activity, either on its own or as an undergarment.