Shop Smartwool Base Layer Clothing

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

Men'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 1/4 Zippers Top

Women's Classic Thermal Merino Base Layer Bottom

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

Men's Classic Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Top Boxed

Women's Intraknit Hipster

Women's Classic All-Season Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

Women's Classic Thermal Merino Base Layer Bottom Boxed

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

Men's Classic Thermal Merino Base Layer Crew Top Boxed

Men's Merino Boxer Brief Boxed

Women's Classic Thermal Merino Base Layer Bottom Plus

Men's Active Boxer Brief Boxed

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

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

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

Men's Classic Thermal Merino Base Layer Bottom Boxed

Women's Intraknit Bikini

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

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

Men's Active Boxer Brief

Men's Classic Thermal Merino Base Layer Crew Top