Shop Smartwool Base Layer Clothing

Men's Classic All-Season Merino Base Layer Bottom

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

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 1/4 Zippers Top

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

Women's Everyday Merino Bikini

Women's Classic Thermal Merino Base Layer Bottom

Women's Everyday Merino Thong

Men's Classic Thermal Merino Base Layer Bottom

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

Women's Classic All-Season Merino Base Layer Bottom

Women's Intraknit Hipster

Women's Thermal Merino Rib Turtleneck

Men's Classic Thermal Merino Base Layer Crew

Men's Active Boxer Brief

Men's Merino Print Boxer Brief

Men's Merino Boxer

Women's Intraknit Bikini

Men's Classic Thermal Merino Base Layer Bottom

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

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 Bottom Boxed

Men's Merino Boxer Brief

Women's Intraknit Hipster

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

Women's Merino Blend Bralette

Men's Active Boxer Brief

Men's Classic Thermal Merino Base Layer Crew Top