Shop Smartwool Base Layer Clothing

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

Women's Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

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

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

Men's Classic All-Season Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Hoodie

Men's Merino Boxer Brief

Men's Active Boxer Brief

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

Men's Merino Print Boxer Brief

Women's Merino Bikini

Women's Intraknit Bikini

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

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

Men's Classic All-Season Merino Base Layer Bottom

Men's Merino Hemp Blend Boxer Brief Boxed

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

Men's Classic Thermal Merino Base Layer Crew

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

Men's Merino Boxer Brief

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

Women's Merino Blend Bralette

Men's Active Boxer Brief

Women's Intraknit Hipster

Women's Active Crop Bra

Women's Everyday Merino Bikini

Men's Merino Boxer Brief