Shop Smartwool Base Layer Tops 1

Women's Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Crew Top

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

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

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

Women's Intraknit Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Crew Plus Top

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

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

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

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

Women's Classic Thermal Merino Base Layer Crew

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

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

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Crew Top

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

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

Men's Classic Thermal Merino Base Layer Hoodie

Women's Thermal Merino Rib Turtleneck

Men's Classic Thermal Merino Base Layer Crew

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

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

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

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

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

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

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

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

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