5 Panel Mesh American Flag Patch Cap - USA Flag cotton/polyester Made of 100% cotton, 100% polyester. One size fits most, fitting up to 6 3/4. 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.