Shop Smartwool Base Layer Clothing

Women's Classic Thermal Merino Base Layer Crew Top

Men's Classic All-Season Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Bottom

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

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

Men's Classic Thermal Merino Base Layer Bottom

Women's Intraknit Thermal Merino Base Layer Crew Top

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

Women's Intraknit Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

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

Men's Merino Boxer Brief

Men's Classic Thermal Merino Base Layer Crew

Men's Classic Thermal Merino Base Layer Crew Top

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

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

Men's Merino Boxer Brief

Women's Merino Blend Bralette

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

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

Women's Classic All-Season Merino Base Layer Bottom

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

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Thermal Merino Rib Turtleneck