These ZigKick Flex-Met Hiker Work Boots feature: Leather upper, moisture wicking nylon mesh lining, FootFuel injected EVA removable cushion footbed insole, ZigTech EVA midsole with rigid TPU heel stabilizer and rubber SR outsole, 100% non-metallic, XTR brand extra wide carbon toe, electrical hazard protection, 30 day comfort guarantee, Flex-Met internal metatarsal guard. ASTM F2413 safety standards. Warson Brands, exclusive licensee for Reebok occupational and duty/uniform footwear, is extending the Reebok reputation for athletic performance, comfort, and fitness into the work place: on the job site, factory, and in the field. Because duty isn't always a bed of roses. Material: Leather, Rubber.