Shop Base Layer Clothing @ REI - San Diego

Women's Intraknit Thermal Merino Base Layer Crew Top

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

Men's Classic All-Season Merino Base Layer Bottom

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

Men's Sea to Shore 2N1

Women's Classic Thermal Merino Base Layer Crew Top

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

Men's Classic Thermal Merino Base Layer Crew Top

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

Women's Merino 200 Oasis LS Crewe

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

Men's Merino 200 Oasis LS Crewe

Women's Classic Thermal Merino Base Layer Bottom

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

Men's Classic Thermal Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

Men's Merino 260 Tech LS Crewe

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

Kids' Classic Thermal Merino Base Layer Crew Top

Men's Merino 200 Oasis LS Half Zip

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Bottom Plus

Women's Intraknit Thermal Merino Base Layer Bottom

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

Women's Merino 200 Oasis High Rise Leggings

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

Women's Merino 200 Oasis Leggings

Women's Classic Thermal Merino Base Layer Crew Plus Top