This is the official military issue US Navy Blueberry Boonie Hat. The military boonie cover has a wide brim with crown webbing. The digital camouflage cover is Made in the USA. The camouflage material has been chemically treated to help reduce infrared signature. The Digital Camo Boonie Hat is 50% cotton, 50% nylon twill and is made in the USA by a military manufacturer.Genuine U.S. Navy current issue NWU Type I digital boonie hat; DOD certified4 air vents on both sides of hat for extra circulationTraditional wide reinforced brim for extra sun protectionAdjustable chin strap for a tight fitOfficial USN patented material, comfortable and lightweight rip-stop fabric, military-grade durability50% nylon and 50% cottonShips Fast!Made in the USA