Side Mesh Microfiber Water Repellent Long Bill Cap - Olive W33S59F 100% Polyester Elastic closure Made of 100% polyester. One size fits most with adjustable strap closure and clip holder, fitting up to XL. Crown measures 3 1/2 inches deep, 5 panels, unconstructed, low profile with front pocket. Bill measures 4 inches long, flat bill, black color under bill. Thin, soft and light material.