Shop Smartwool Base Layer Clothing 5

Women's Thermal Merino Rib Crew

Women's Intraknit Thermal Max Merino Base Layer Pattern Hoodie

Women's Active Biker Short

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

Men's Merino Short Sleeve Tee

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

Women's Merino Short Sleeve Tee

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

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

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

Men's Classic Thermal Merino Base Layer Pattern Bottom

Kid's Classic Thermal Merino Base Layer Pattern Bottom

Men's Merino Boxer Brief

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

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

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

Men's Intraknit 6" Boxer Brief/Charcoal

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

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

Intraknit 200 Sleeve

Women's Classic Thermal Merino Base Layer Pattern Bottom

Women's Intraknit Thermal Max Merino Base Layer Bottom

Kid's Classic Thermal Merino Base Layer Pattern Crew

Women's Merino Sport 7/8 Legging

Intraknit 200 Pattern Sleeve

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

Merino 150 Jiberish Print Boxer Brief

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

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

Women's Merino Sport Seamless Hipster Boxed