From first chair to the final run, stay warm and comfortable with the Smartwool Classic Thermal Merino Base Layer Bottom for women. Made from 100% Merino wool, these midweight bottoms provide breathable warmth, moisture management, and natural odor resistance for long days in cold conditions. The slim fit layers smoothly under ski pants and hiking shells, while flatlock seams help minimize chafing and the Merino-lined elastic waistband adds next-to-skin comfort. Ideal for skiing, snowboarding, winter hiking, and other cold-weather adventures, grab Smartwool's Classic Thermal Merino Base Layer Bottom for dependable performance when temperatures drop.
Merino wool provides natural warmth, moisture management, and odor resistance
Slim fit allows easy layering without unnecessary bulk
Merino-lined, elastic waistband allows a custom fit each time
Flatlock seams reduced chafing during movement
Winter 2026/27 Product
Smartwool Classic Thermal Merino Base Layer Bottom Boxed - Women's
