65% Polyester, 35% Cotton Ripstop. Treated with Teflon for stain, soil and liquid stain resistance. Comfortable, self-adjusting tunnel waistband. Prym snaps and YKK zipper. 5.11 Double-Time belt loops. Free neoprene kneepads by mail-in hangtag. Full-size cargo pockets with internal dividers and external EMS specific pockets. Utility pockets at the calf. Material: Polyester, Cotton.