Cahill Military Uniform Shirt. Material: textile, celluloid. Size: 18 1/2" W. x 32 1/2" L. x 22 1/2" L. sleeves. Description: olive drab green wool shirt (from U.S. Army uniform #6.86.1-8) - high round neckline - narrow, two-pointed collar - front closure from neckline down with six brown buttons - long set-in sleeves with reinforced elbows - cuffs each close with one brown button - one breast pocket on each side close with a single buttoned flap.