Polyester/Cotton material. Made to military specifications. Screened side vents. Branch loops. Chin straps. Perfect for fishing, hunting and everyday play. Made for durability and everyday wear and use. Unisex. Army style. Military style. Approximate brim size: 2.5" - 3". Plain as well as Camouflage - Military boonie hat. Available sizes are 58, 59, 60 and 61.