5 Panel Mesh Back Gold Oak Leaves Patch Cap - Black W38S61D 100% Cotton Made of 35% cotton, 65% polyester, 100% nylon. ONE SIZE fits most with adjustable plastic snap closure, fitting up to XL size. Bill measures 3 inches long, pre curved, same color under bill. Crown measures 3 1/2 inches deep, structured, 5 panels, high profile, 4 panels in mesh back. Thick, stiff, soft and light material.