Under Armour flattened out the fibers and added some science to create a game-changing fabric that quickly pulls heat away from the skin-keeping you calm, cool, and crushing at max capacity. Iso-Chill fabric helps disperse body heat, making it feel cool to the touch Mesh back panel for added ventilation UPF 50+ protects your skin from the sun's harmful rays Material wicks sweat & dries really fast Scent Control technology to keep you undetected Fitted hood design for zero distractions Odor control technology minimizes odor Loose:Fuller cut for complete comfort. Body: 100% Nylon Mesh: 92% Polyester/8% Elastane Imported Under Armour Men's UA IsoChill Shorebreak Hoodie