Men's base layer suitable for all outdoor activities made of seamless, quick-drying material, long sleeves, structured zones for easier sweat removal, reinforced layers in the elbows, raised collar can be stretched over your head like a ski helmet, suitable under the helmet. - OPTI-DRY - Fabric surface: quick-drying, antibacterial - Fabric: knitted - Cut: slim - Seams: flat seams, seamless - Hood: firm, integrated facial mask, collapsible in collar Material: 55% nylon, 41% polyester, 4% elastane