Shop Smartwool Base Layer Clothing

Women'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 Bottom

Women's Classic Thermal Merino Base Layer Bottom Plus

Men's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Crew

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

Men's Classic Thermal Merino Base Layer Bottom

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

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

Women's Intraknit Thermal Merino Base Layer Pattern Crew Top

Women's Classic Thermal Merino Base Layer 1/4 Zip Plus

Women's Intraknit Active Base Layer Bottom

Men's Classic All-Season Merino Base Layer Bottom

Men's Merino Boxer Brief

Women's Intraknit Hipster

Women's Merino Blend Bralette

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

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

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

Women's Everyday Merino Bikini

Men's Merino Boxer Brief

Men's Everyday Merino Boxer Brief

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 Crew Top

Women's Intraknit Bikini

Women's Everyday Merino Thong

Women's Active Crop Bra