SmartWool Classic Thermal Merino Base Layer Bottom - Women's

Smartwool makes choosing your first layer of cold-weather defense easy with the women's Classic Thermal Merino Base Layer Bottoms. Crafted from responsibly sourced Merino wool, these pants are soft on the skin while promising excellent breathability and temperature regulation during all your adventures. With an updated fit that improves functionality and a flatlock seam construction designed to minimize chafing, comfort is never in question. Best worn for skiing, cold-weather hiking, and other chilly outdoor activities, Smartwool's Classic Thermal Merino Base Layer Bottom for women is a top choice for your active-layering foundation. 

• Merino wool is odor-resistant, comfortable, and breathable
• Flatlock seam construction minimizes chafing
• Updated fit enhances aesthetics on a wide range of body shapes
• Winter 2026/27 product