Shop Base Layer Clothing @ REI - Boulder

Men's Classic All-Season Merino Base Layer Bottom

Women's Merino Blend 125 Cool-Lite Sphere LS Tee

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

Men's Cap MW Zip Neck

Women's Maipo Shorts

Women's Classic Thermal Merino Base Layer Crew Top

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

Men's Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer 1/4 Zippers Top

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

Women's Merino 200 Oasis LS Crewe

Women's Classic Thermal Merino Base Layer Bottom

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Merino 200 Oasis LS Crewe

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Bottom

Men's Classic Thermal Merino Base Layer Crew Top

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

Women's Classic All-Season Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Bottom

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

Men's Classic Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Plus Top

Women's Merino 200 Oasis Leggings

Men's Merino 260 Tech LS Crewe

Women's Classic Thermal Merino Base Layer Bottom Plus

Women's Intraknit Thermal Merino Base Layer Bottom

Men's Merino 200 Oasis Leggings wFly

Men's Merino 260 Tech Leggings wFly

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