This mid-profile, ultra-breathable cap will keep you cool, dry, and comfortable with its patented Flexfit stretch. The front panels are made from 60% cotton/40% polyester and the mid and back panels are made from 95% polyester/5% spandex mesh. Features of this structured trucker-style hat include stretch fit closure, Permacurv® bill to maintain proper shape and curve, and a silver contrast underbill that adds character.