Shop Smartwool Base Layer Clothing 3

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

Men's Classic All-Season Merino Base Layer Bottom Boxed

Men's Intraknit Thermal Merino Base Layer Pattern Crew

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

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

Women's Intraknit Thermal Max Merino Base Layer Pattern Hoodie

Women's Active Biker Short

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

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

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

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

Women's Merino 250 Plant-Based Dye Logo Hoodie

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

Women's Thermal Merino Rib Crew

Women's Intraknit Active Base Layer Bottom

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

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

Men's Merino Boxer Brief

Men's Active Boxer Brief

Men's Everyday Merino Boxer Brief

Men's Classic Thermal Merino Base Layer One Piece Top

Men's Merino Boxer Brief

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

Women's Merino Bikini

Women's Classic Thermal Merino Base Layer One Piece Top

Women's Intraknit Hipster

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

Women's Classic Thermal Merino Base Layer 3/4 Bottom

Men's Intraknit 6" Boxer Brief/Charcoal

Men's Merino Boxer