OGIO empowers athletes to turn their ambition into achievement through performance products that are inspired by sport and are ready for action everyday. 210 denier polyester Oxford with waterproof polyurethane coating. Reflective OGIO logo and accent panels for added visibility. Bolstered back foam profile increases air ventilation. Velcro® brand hook-and-loop fastener straps secure rain cover to shoulder harness. Elastic binding securely cinches around pack for a snug fit.