The German Military Olive Drab Tricot Shirt With Zipper is a previously issued long-sleeved, tricot weave shirt that is perfect for hunting, camping and hiking. The olive drab shirt is made of 100 percent cotton, which makes it extremely comfortable for all day wear. It features rib-knit cuffs and a quarter-zip neck, which gives you the option of wearing it as a turtleneck. Used by the German military for more than a decade, this style of shirt has continued to be popular with active duty and veteran soldiers. The versatile military surplus shirt is available in sizes large, 1XL and 2XL.