Shop Base Layer Tops @ Bivouac

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

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

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 Blend 125 Cool-Lite Sphere LS Tee

Women's Cap MW Zip Neck

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

Women's Thermal Merino Rib Turtleneck

Men's Merino 260 Tech LS Crewe

Women's Cap MW Crew

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

Men's Intraknit Thermal Merino Base Layer Colorblock Crew Top

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

Men's Merino 260 Tech LS Half Zip

Women's Classic Thermal Merino Base Layer 1/2 Zippers Hoodie

Men's Cap MW Zip Neck

Men's Merino 200 Oasis LS Half Zip

Women's Cap TW Zip Neck

Women's Siren LS Sweetheart

Men's Cap TW Zip Neck

Women's Long Sleeved Capilene Thermal Crew

Women's 260 Tech LS Crewe

Men's Merino 260 Tech LS Turtleneck