Shop Smartwool Base Layer Clothing

Women's Classic Thermal Merino Base Layer Crew Top

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

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Bottom

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

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Classic All-Season Merino Base Layer Bottom

Women's Intraknit Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

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

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

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

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

Kids' Classic Merino Blend Base Layer Bottom

Women's Merino Bikini

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

Men's Merino Boxer Brief Boxed

Men's Merino Print Boxer Brief Boxed

Women's Classic Thermal Merino Base Layer Bottom

Men's Merino Print Boxer Brief

Men's Merino Print Boxer Brief

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

Men's Classic Thermal Merino Base Layer Hoodie

Women's Thermal Merino Rib Turtleneck