Shop Smartwool Base Layer Clothing

Women's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

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

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

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

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

Men's Classic Thermal Merino Base Layer Bottom

Women's Intraknit Hipster

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

Men's Classic Thermal Merino Base Layer Crew Top

Women's Active Leggings

Men's Classic Thermal Merino Base Layer Bottom

Men's Classic All-Season Merino Base Layer Bottom

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

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

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

Men's Classic Thermal Merino Base Layer One Piece Top

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

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

Women's Merino Bikini

Women's Active Crop Bra

Men's Active Boxer Brief

Men's Classic Thermal Merino Base Layer Crew Top

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

Men's Merino Boxer Brief

Women's Classic All-Season Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Crew Top

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

Men's Everyday Merino Boxer Brief

Women's Intraknit Thermal Merino Base Layer Crew Top