Shop Smartwool Base Layer Clothing

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

Men's Classic All-Season Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Crew Top

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

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Boxer Brief Boxed

Women's Classic Thermal Merino Base Layer Bottom Plus

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

Women's Classic All-Season Merino Base Layer Crew Top Plus

Women's Classic Thermal Merino Base Layer Crew Plus Top

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

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

Women's Classic All-Season Merino Base Layer Bottom Boxed Black

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

Women's Classic All-Season Merino Base Layer Bottom

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

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

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

Men's Merino Boxer Brief Boxed

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

Men's Merino Print Boxer Brief Boxed

Women's Merino Short Sleeve Tee

Men's Merino Short Sleeve Tee

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Merino Boxer Brief

Men's Everyday Party Short Sleeve Button Down T-Shirt

Women's Merino Blend Bralette

Women's Intraknit Hipster

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

Men's Active Boxer Brief