BDU Pants. 50% Nylon / 50% Cotton Twill (Nyco) Material. Sewn To Military Specification MIL-T-44047E. Six Pockets, Four With Buttons Flaps. Fused Pocket Flaps. Four-Button Fly. Double-Reinforced Seat and Knee. Adjustable Waist Tabs With 4 Bar Tacks. Drain Holes In Bellows Pockets. Nylon Drawstring Leg Closures, Fused Knotted and Tacked. Felled Inseam, Outseam and Seat Seam. Manufactured By Propper International.