Main Fabric:Â 100% Polyester
SW155Â | Size: XS-XL | Weight: 110 g. (3.85 oz.)
• Crew neck base layer
• Flat seams are set to minimize chafing from pack straps
• Fabric is our silk weight jersey knit that provides a smooth face and back for easy layering
• Fabric is treated with Polygene which uses natural silver salts to fight against bacteria and odor