The Nike TW Aerobill Classic 99 Golf Cap gives you a classic style that won't distract from your game. This hat is constructed with Dri-FIT technology that keeps you cool and comfortable. Aerobill technology and laser perforations allow air to circulate. The stylish emblem and traditional cap style make the Nike TW Aerobill Classic 99 Golf Cap perfect for the course. • Terry sweatband helps keep you dry.• Dri-FIT technology and lightweight construction provide ultimate comfort.• Body: 88% polyester/12% spandex. Back and front panel: 100% polyester. Imported.