New Big Size Deluxe Cotton Cap - Charcoal (For Big Head) 100% Cotton Made of 100% cotton. ONE SIZE fits most with adjustable velcrorized strap closure, fitting from XL to 3XL. Crown measures 4 inches deep, 6 panels, prostyle profile, constructed crown. Bill measures 3 1/4 inches long, pre curved, same color under bill. Thick, light and soft material.