Shop Smartwool Base Layer Tops 3

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

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

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

Women's Merino Short Sleeve Tee

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

Women's Classic Thermal Merino Base Layer Pattern Crew

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

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

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

Female Women's Classic Thermal Merino Base Layer 1/2 Zip Hoodie Boxed

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

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

Men's Classic Thermal Merino Base Layer Colorblock Crew Boxed

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

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

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

Women's Thermal Merino High Neck Top

Men's Merino Short Sleeve Tee

Male Kids' Classic Thermal Merino Base Layer Hoodie Boxed

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

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

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

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

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

Women's Merino 250 Baselayer Plant-Based Dye Logo Crew

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

Women's Classic Thermal Merino Base Layer Pattern Crew Plus

Men's Intraknit Active Base Layer Crew Top

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

Men's Merino 150 Baselayer 3/4 Bottom Boxed