Shop Smartwool Base Layer Clothing @ Earth's Edge

Men's Classic All-Season Merino Base Layer Bottom

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

Women's Everyday Merino Thong

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

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

Women's Classic Thermal Merino Base Layer Bottom

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

Women's Classic Thermal Merino Base Layer Crew Top

Women's Intraknit Bikini

Men's Merino Print Boxer Brief

Women's Intraknit Hipster

Men's Active Boxer Brief

Men's Merino Boxer

Women's Classic All-Season Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Bottom