Mil-Tec GI Boonie Hat Flecktarn poly-cotton Ideal for all outdoor pursuits such as hunting, shooting and fishing, etc. Original US style - Vietnam Type 1968-1971. Comfortable and lightweight 4 air vents on both sides of hat. Scrim web strap attached around hat Adjustable chin strap. Wide reinforced brim Material: 65% Polyester, 35% Cotton