Shop Smartwool Base Layer Clothing 5

Men's Classic Thermal Merino Base Layer Bottom

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

Men's Merino Boxer Brief Boxed

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

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

Men's Merino Boxer Boxed

Men's Intraknit Active Base Layer Bottom

Men's Intraknit Active Base Layer Crew Top

Women's Merino Sport Seamless Strappy Bra

Men's Classic Thermal Merino Base Layer Colorblock Crew

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

Women's Thermal Drape Neck Hoodie

Women's Classic Thermal Merino Base Layer Bottom Plus

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

Women's Intraknit Strappy Bra

Women's Active Crop Bra

Women's Merino 150 Plant-Based Dye Bottom

Men's Intraknit Merino 200 Bottom

Women's Intraknit Crop Bra

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

Women's Classic Thermal Merino Base Layer Pattern Bottom

Men's Merino Print Boxer Brief

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

Men's Merino Print Boxer Brief Boxed

Women's Classic All-Season Merino Lace Base Layer Bottom Boxed

Men's Intraknit 6" Boxer Brief/Charcoal

Women's Intraknit Hipster

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

Men's Merino Boxer Brief

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