Propper's BDU 4-Pocket Coat is sewn to military specification MIL-C-44048G and features drain holes in the Bellows pockets, fused pocket flaps and collar, chest pencil pocket, two-piece double-reinforced elbows, felled side seams and sleeves, and adjustable sleeve buttons. This long sleeve shirt is made from Battle Rip, an all-season weight, 65% polyester and 35% cotton fabric manufactured in a ripstop weave, a tactical uniform fabric that is comfortable, durable and has excellent color integrity. Battle Rip is our fabric of choice for the public safety community.