Shop Smartwool Base Layer Tops 2

Women's Intraknit Thermal Max Merino Base Layer Pattern Hoodie

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

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

Men's Intraknit Thermal Merino Base Layer Pattern Crew

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

Women's Thermal Merino Drape Neck Hoodie Plus

Men's Classic Thermal Merino Base Layer Hoodie

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

Men's Classic Thermal Merino Base Layer Colorblock Crew

Male Men's Classic Thermal Merino Base Layer Hoodie Boxed

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

Women's Classic Thermal Merino Base Layer Crew Plus

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

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

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

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

Women's Intraknit Thermal Merino Base Layer Pattern Crew Top

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

Women's Intraknit Active Base Layer Crew Top

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

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

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

Men's Classic Thermal Merino Base Layer Colorblock Crew

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

Men's Classic Thermal Merino Base Layer Hoodie

Men's Intraknit Active Base Layer Crew Top

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

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

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

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