Shop Base Layer Clothing @ REI - Perimeter

Women's Merino 200 Oasis LS Crewe

Men's Classic All-Season Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Top

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Bottom

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

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

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

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

Men's Classic Thermal Merino Base Layer Bottom

Men's Merino 200 Oasis LS Crewe

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Bottom

Kid's Classic Thermal Merino Base Layer Crew Top

Men's Merino 200 Oasis Leggings wFly

Women's Intraknit Thermal Merino Base Layer Bottom

Women's Classic All-Season Merino Base Layer Bottom

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

Kid's Classic Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Crew Plus Top

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

Women's Classic Thermal Merino Base Layer Bottom Plus

Women's Maipo Shorts

Women's Classic All-Season Merino Base Layer Bottom Plus

Women's Maipo 7/8 Tights

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

Rho Zip Neck Women's

Rho LT Hoody Men's

Rho Crew Neck LS Women's