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 1/4 Zippers Top

Women's Classic All-Season Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Bottom Boxed

Kids' Classic Thermal Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

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 Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Crew Top

Women's Merino Blend Bralette

Men's Merino Boxer Brief

Women's Intraknit Hipster

Men's Everyday Merino Boxer Brief

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

Men's Active Boxer Brief

Women's Everyday Merino Bikini

Women's Everyday Merino Thong

Women's Active Crop Bra

Men's Intraknit Boxer Brief

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

Women's Intraknit Bikini

Men's Merino Boxer

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

Men's Classic Thermal Merino Base Layer Hoodie