Shop Smartwool Base Layer Clothing

Women's Intraknit Thermal Merino Base Layer Crew Top

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

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

Women's Classic Thermal Merino Base Layer Crew Top

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

Women's Merino Blend Bralette

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

Men's Classic Thermal Merino Base Layer Crew Top

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

Women's Everyday Merino Bikini

Women's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Bottom

Men's Brief

Women's Classic Thermal Merino Base Layer Crew Top Boxed

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

Women's Intraknit Hipster

Women's Thermal Merino Rib Turtleneck

Women's Classic Thermal Merino Base Layer Bottom Boxed

Men's Classic Thermal Merino Base Layer Crew Top Boxed

Men's Merino Boxer Brief Boxed

Men's Intraknit Thermal Merino Base Layer Bottom

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

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

Women's Intraknit Thermal Merino Base Layer Bottom

Men's Boxer Brief Boxed

Women's Classic Thermal Merino Base Layer Bottom Plus

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

Women's Merino Bikini

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