Shop Smartwool Base Layer Clothing

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

Men's Classic All-Season Merino Base Layer Bottom

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

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

Men's Classic Thermal Merino Base Layer Crew Top

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

Women's Classic Thermal Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Crew Top

Women's Intraknit Thermal Merino Base Layer Crew Top

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

Women's Classic All-Season Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Plus Top

Women's Merino Bikini

Women's Classic Thermal Merino Base Layer Bottom Plus

Women's Intraknit Thermal Merino Base Layer Bottom

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

Men's Classic Thermal Merino Base Layer 3/4 Bottom

Women's Classic All-Season Merino Base Layer Bottom Plus

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

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

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

Women's Merino Short Sleeve Tee

Women's Classic All-Season Merino Base Layer Bottom

Men's Merino Boxer Brief Boxed

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

Men's Merino Print Boxer Brief Boxed

Women's Classic Thermal Merino Base Layer Pattern 1/4 Zip

Men's Merino Short Sleeve Tee

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