Shop Smartwool Base Layer Clothing

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

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

Men's Classic All-Season Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Top Boxed

Women's Classic All-Season Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Bottom Boxed

Men's Classic Thermal Merino Base Layer Crew Top Boxed

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

Men's Classic Thermal Merino Base Layer Bottom Boxed

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

Women's Intraknit Thermal Merino Base Layer Pattern Crew Top

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

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

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

Men's Intraknit Thermal Merino Base Layer Pattern 1/2 Zip Hoodie

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

Men's Classic Thermal Merino Base Layer Crew Top

Men's Merino Boxer Brief

Women's Everyday Merino Bikini

Men's Everyday Merino Boxer Brief

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

Women's Everyday Merino Thong