ON-COURSE COMFORT Nike AeroBill Adjustable Golf Hat features lightweight, sweat-wicking fabric to help keep you cool, dry and comfortable. Benefits Dri-FIT Technology helps keep you dry and comfortable AeroBill Technology provides lightweight breathability Embroidered eyelets help enhance breathability Premium leather closure is adjustable for custom comfort Product Details Fabric: Solid: Body: 51% cotton/45% polyester/4% spandex. Front panel lining: 100% cotton. Heather: Body: 54% cotton/44% polyester/2% spandex. Hand wash Imported Style: 892649; Color: Black/Anthracite/White; Size: ONE SIZE; Gender: Unisex; Age Group: Adult