The Nike Daybreak Hat: Breathable and streamlinedA design that circulates air to help keep the head cool, the Nike Daybreak Running Hat features large side mesh panels and a lightweight silhouette. BenefitsNike Sphere Dry fabric to wick sweat away, reducing cling and helping you stay dry and comfortableComfort bill to minimize distractions and keep out sunQuick-adjust closure at back for enhanced fitReflective stitching for enhanced visibility in low-light conditionsAdditional DetailsFabric: Body/bill: 100% polyester. Sweatband: Nike Sphere Dry 100% polyester. Hand washImported