Shop Smartwool Base Layer Clothing

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

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

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

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

Men's Intraknit Thermal Merino Base Layer Crew Top

Women's Intraknit Thermal Merino Base Layer Crew Top

Women's Intraknit Thermal Merino Base Layer Bottom

Men's Classic All-Season Merino Base Layer Bottom

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

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Merino Blend Bralette

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

Women's Classic Thermal Merino Base Layer Bottom

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

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

Women's Classic Thermal Merino Base Layer 1/2 Zippers Hoodie

Women's Classic Thermal Merino Base Layer Crew Plus Top

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

Men's Classic Thermal Merino Base Layer 1/4 Zip

Men's Classic All-Season Merino Base Layer 3/4 Bottom

Women's Intraknit Bikini

Men's Classic Thermal Merino Base Layer 1/4 Zip

Women's Thermal Drape Neck Hoodie

Women's Merino Bikini

Women's Classic Thermal Merino Base Layer 1/4 Zip Boxed

Men's Classic Thermal Merino Base Layer Pattern 1/4 Zip

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

Women's Intraknit Active Base Layer Crew Top

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

Men's Classic Thermal Merino Base Layer Crew Top