Shop Smartwool Base Layer Tops Mens

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

Men's Classic Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Crew Top

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

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

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

Men's Classic Thermal Merino Base Layer Hoodie

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

Men's Classic Thermal Merino Base Layer Crew

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

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

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

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

Men's Classic All-Season Merino Base Layer Crew

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

Men's Classic Thermal Merino Base Layer Pattern Crew

Men's Intraknit Thermal Merino Base Layer Pattern Crew

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

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

Men's Classic All-Season Plant-Based Dye Merino Base Layer Long Sleeve

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

Men's Merino 250 Baselayer Plant-Based Dye Logo Hoodie

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

Men's Classic Thermal Merino Base Layer Colorblock Crew

Men's Classic Thermal Merino Base Layer Colorblock Crew

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

Men's Intraknit Thermal Merino Base Layer 1/2 Zip Hoodie

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

Men's Classic Thermal Merino Base Layer Colorblock Crew Boxed

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