Shop Smartwool Base Layer Clothing

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 Crew Top

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

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic All-Season Merino Base Layer Crew 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

Kids' Classic Thermal Merino Base Layer Crew Top

Women's Intraknit Hipster

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

Men's Classic Thermal Merino Base Layer One Piece Top

Kids' Classic Thermal Merino Base Layer Bottom

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

Women's Merino Bikini

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

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

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

Women's Active Crop Bra

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

Men's Everyday Merino Boxer Brief

Men's Merino Boxer Brief

Women's Intraknit Hipster

Men's Active Boxer Brief

Women's Everyday Merino Bikini

Women's Active Crop Bra