Our Armycrew Performance Plain Flatbill Unstructured Mesh Racer Cap is a great hat for exercising, traveling, sports activities and other outdoor events. This 5 panel racer cap features cool meshed crown. Made of 100% Polyester. Fitted with an inner sweatband. Fully mesh lined inside. Unstructured crown. Low profile. 5 Panels. Stiff and flat bill, same color under bill. Finished with an adjustable plastic snap buckle strap closure. One size fits most, fitting up to XL.