Dura-press Utility Shirt, Olive Drab, Military Issue - 15&frac12;Neck x 31Sleeve 50/50% Cotton/Poly Twill Made in USA Genuine U.S. Military Issue, Official Government Issue Designed for everyday duty wear, very durable Soil resistant, wrinkle resistant 50/50% Cotton/Polyester Twill Do not twist or wring! Machine or hang dry