Made of 97% cotton and 3% spandex. One size fits most with stretchable moisture wicking sweatband inside, fitting up to XL. Crown measures 3 1/2 inches deep, 6 panels, constructed. Bill measures 3 inches long, stiff and pre curved bill, navy color under bill. Thick, soft, light and cool pass material (sweat absorption & quick dry fibers). Hand wash only.