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

Women's Classic Thermal Merino Base Layer Crew Top

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

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

Women's Everyday Merino Bikini

Men's Classic Thermal Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

Women's Merino Bikini

Women's Classic Thermal Merino Base Layer Bottom

Men's Merino Boxer Brief

Men's Classic Thermal Merino Base Layer Crew

Men's Active Boxer Brief

Men's Everyday Merino Boxer Brief

Women's Intraknit Bikini

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

Men's Classic All-Season Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

Men's Merino Boxer Brief Boxed

Women's Intraknit Racerback Bra

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

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

Women's Merino Sport Seamless Bikini Boxed

Men's Merino Plant-Based Dye Boxer Brief Boxed

Men's Classic All-Season Plant-Based Dye Merino Base Layer Long Sleeve

Men's Merino Boxer Brief

Women's Intraknit Hipster

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

Women's Merino Blend Bralette