Shop Smartwool Base Layer Clothing

Men's Classic Thermal Merino Base Layer Crew Top

Men's Classic All-Season Merino Base Layer Bottom

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

Women's Classic Thermal Merino Base Layer Crew Top

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

Women's Classic Thermal Merino Base Layer Bottom

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

Women's Merino Blend Bralette

Women's Everyday Merino Bikini

Men's Classic Thermal Merino Base Layer Bottom

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

Women's Classic All-Season Merino Base Layer Bottom

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

Women's Thermal Merino Rib Turtleneck

Women's Classic Thermal Merino Base Layer Bottom Plus

Women's Classic Thermal Merino Base Layer Crew Plus Top

Women's Classic All-Season Merino Base Layer Bottom Plus

Men's Merino Boxer Brief

Men's Active Boxer Brief

Men's Merino Print Boxer Brief

Men's Everyday Merino Boxer Brief

Women's Merino Bikini

Women's Intraknit Bikini

Men's Intraknit Boxer Brief

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

Men's Intraknit 6" Boxer Brief

Men's Classic Thermal Merino Base Layer Crew

Men's Merino Boxer Brief

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

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