Propper F5252 Mens Lightweight Ripstop Tactical Cargo Pants, Gray Polyester/Cotton Zipper closure Perform with efficiency in the most demanding situations. Lightweight and breathable 65/35 polyester cotton rip-stop. Coated in DuPont Teflon fabric protector to repel stains and liquids. Low profile appearance for use both on and off duty. Reinforced knees with openings for knee pads.