REPRESENT YOUR TEAM The Nike Vapor Speed Fly Rush Flash (NFL 49ers) Men's Training Jacket combines weather-resistant nylon fabric and thermal sleeves for comfort and mobility. Benefits Underarm perforations for ventilated comfort Articulated sleeves for natural range of motion Scuba hood and dropped back hem enhance coverage Media pocket at the chest for storage Zip kangaroo pocket Product Details Fabric: Face of body: 100% nylon. Back of body/hood/overlay: 100% polyester. Panels/hood lining/pocket bag palm side: 88% polyester/12% spandex. Mesh: 77% polyester/23% spandex. Machine wash Imported