NikeCourt AeroBill Featherlight Tennis Cap is made with sweat-wicking AeroBill technology for lightweight, breathable comfort. Nike AeroBill technology wicks sweat away and provides lightweight breathability. Mesh inserts enhance ventilation. Black underbill reduces glare. Terry sweatband absorbs sweat and wicks it away from your skin. One-hand quick closure on the back for easy adjustability. Reflective pull tab is sewn on the back. NikeCourt logo is heat transferred on the front.