Base Layers

Smartwool Women's Classic Thermal Merino Base Layer Colorblock 1/4 Zip Boxed Black

Smartwool Women's Classic Thermal Merino Base Layer Pattern 1/4 Zip Boxed Black Dot

Smartwool Women's Classic Thermal Merino Base Layer Crew Boxed Charcoal Heather

Smartwool Women's Classic Thermal Merino Base Layer Crew Boxed Twilight Blue Heather

RedHEAT ACTIVE base layer zip top. This new technical fabric incorporates carbon microcrystals that store body heat while its microporous structure maintains breathability for maximum comfort during high intensity activities. Women RedHEAT style.

ACTIVE SPORT ankle-length base layer bottom. Large elastic waistband to ensure comfortable hold. Women ACTIVE style.