Shop Smartwool Base Layer Clothing

Women's Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Bottom

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

Women's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Crew Top

Men's Merino Print Boxer Brief

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

Women's Thermal Merino Rib Turtleneck

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

Men's Classic Thermal Merino Base Layer Crew

Women's Classic Thermal Merino Base Layer Bottom

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

Men's Classic Thermal Merino Base Layer Bottom

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

Women's Intraknit Hipster

Women's Merino Bikini

Women's Intraknit Bikini

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

Men's Merino Boxer

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

Men's Merino Boxer Brief Boxed

Men's Merino Boxer Boxed

Women's Merino Sport Seamless Strappy Bra

Women's Merino Sport Seamless Bikini Boxed

Women's Merino Tank

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

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

Men's Merino Boxer Brief

Women's Classic Thermal Merino Base Layer 1/2 Zippers Hoodie

Women's Intraknit Thermal Merino Base Layer Crew Top