Propper's Battle Rip ACU is constructed of 65% polyester / 35% cotton ripstop fabric, treated with DuPont Teflon for liquid and stain resistence. All pockets and pouches are consistent with military specifications. 65% Polyester / 35% Cotton Battle Rip Fabric DuPont Teflon Stain and Liquid Repellent Finish 3-Slot Pen Pocket Tilted Chest Pockets Mandarin Collar External Elbow Pouches with Hook and Loop Closure Vat-Dyed for Fade, Shrink and Wrinkle Resistance