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

Women's Classic Thermal Merino Base Layer Crew Top

Women'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

Women's Classic All-Season Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Crew Top

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Intraknit Thermal Merino Base Layer Bottom

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

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

Men's Classic Thermal Merino Base Layer Crew

Men's Merino Boxer Brief

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

Women's Merino Blend Bralette

Men's Classic Thermal Merino Base Layer Crew Top

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

Men's Active Boxer Brief

Women's Intraknit Hipster

Women's Active Crop Bra

Women's Everyday Merino Bikini

Men's Merino Boxer Brief

Men's Everyday Merino Boxer Brief

Men's Intraknit Boxer Brief

Men's Merino Boxer

Women's Everyday Merino Thong

Women's Intraknit Bikini