Sporting the premium feel of an adjustable leather strap, Nike AeroBill Classic99 Golf Hat offers a classic look with a modern update. It features Dri-FIT technology throughout to help you stay dry and comfortable. - Nike AeroBill technology provides lightweight, breathable comfort. - Dri-FIT technology helps keep you dry and comfortable. - Leather back strap offers a premium detail. - Embroidered eyelets help enhance breathability. - Swoosh design trademark is embroidered on the front.