Womens Classic Thermal Base Layers

When the cold bites, you reach for something you can trust. Smartwool's Women's Classic Thermal Base Layers are built for hiking, travel, and everyday outdoor wear — soft on skin, warm on the move, easy to layer up. Explore our women's merino base layer collection, shop women's thermal leggings for all-day comfort, or browse all merino base layers to find your fit.