Shop Smartwool Base Layer Clothing @ Ascent Outdoors

Men's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer 1/4 Zippers Top

Men's Classic All-Season Merino Base Layer Long Sleeve Top

Men's Classic Thermal Merino Base Layer 1/4 Zippers Top

Women's Classic All-Season Merino Base Layer Long Sleeve Top

Men's Intraknit Thermal Merino Base Layer Crew Top

Women's Intraknit Thermal Merino Base Layer Crew Top

Women's Intraknit Thermal Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Crew Top

Men's Classic All-Season Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer 1/4 Zippers Top

Men's Classic All-Season Merino Base Layer 1/4 Zippers Top

Men's Classic Thermal Merino Base Layer 1/4 Zip

Women's Classic All-Season Merino Base Layer 1/4 Zip

Women's Intraknit Active Base Layer Bottom

Women's Classic All-Season Merino Base Layer 1/4 Zip