Shop Smartwool Base Layer Clothing

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

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

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

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

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 Bottom

Men's Classic All-Season Merino Base Layer Bottom

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

Men's Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer One Piece Top

Women's Intraknit Hipster

Women's Merino Bikini

Men's Classic All-Season Merino Base Layer 3/4 Bottom

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

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

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

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

Women's Active Crop Bra

Women's Classic Thermal Merino Base Layer Crew Top

Men's Merino Boxer Brief

Women's Merino Blend Bralette

Men's Classic Thermal Merino Base Layer Crew Top

Women's Intraknit Hipster

Men's Active Boxer Brief

Women's Active Crop Bra

Men's Merino Boxer Brief

Women's Everyday Merino Bikini

Men's Everyday Merino Boxer Brief