A LIGHTWEIGHT CAP FOR LASTING PLAY. Lightweight and breathable, the NikeCourt AeroBill Advantage Cap is an everyday essential that wicks sweat so you can stay dry and comfortable while you run the court. Benefits:Nike AeroBill technology combines breathability with sweat-wicking comfort. Nike Dri-FIT technology helps you stay dry and comfortable. Laser perforations allow breathability. Sweatband is soft and absorbent. Stretchy fabric and adjustable closure give you a personalized fit. Product Details:Body/lining: 90% polyester/10% spandex. Underbill: 100% recycled polyester. Sweatband: 79% polyester/21% spandex. Hand wash. Imported. Style: CQ9332; Color: Black/White; Size: One Size; Gender: Unisex; Age Group: Adult | NikeCourt AeroBill Advantage Tennis Cap in Black, Size: One Size | CQ9332-010 Nike UnisexCourt AeroBill Advantage Tennis Cap