Invader Gear Predator Combat Trousers is made from a sturdy cotton polyester combination. The ripstop material prevents further tearing, of the material, in case of damage. Mixed Cotton / blended fabric pants Made from Ripstop Material YKK Zipper Includes removable knee pads (protectors) Height of each knee pad can be adjusted individually 10 pockets: 8 pockets with Velcro closable, 2 hand pockets Padded waistband Waist Size Guide in Inches Small: 29-31” Medium: 32-35” Large: 36-39” XL: 40-43”