Shop Base Layer Tops @ REI - San Francisco

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

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

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

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

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

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Intraknit Thermal Merino Base Layer Crew Top

Men's Merino 200 Oasis LS Crewe

Women's 200 Oasis LS Crewe

Women's Merino 200 Oasis LS Crewe

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

Women's Cap MW Zip Neck

Men's Cap MW Zip Neck

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

Men's Merino 260 Tech LS Crewe

Women's Classic Thermal Merino Base Layer Crew Plus Top

Women's Cap MW Crew

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

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

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

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

Men's Merino 260 Tech LS Half Zip

Rho LT Crew Neck Men's

Men's Cap TW Zip Neck

Rho Zip Neck Women's

Women's Solution 150 Merino Base Crew

Men Merino 200 ZoneKnit LS Half Zip

Men Merino Blend 125 ZoneKnit LS Half Zip