A backpack full of soggy stuff is a major drag. Keep the contents of your No Drag Mach 1 Motorcycle Backpack dry with this waterproof cover. Features 210 denier polyester oxford with waterproof PU coating Reflective OGIO logo & accent panels for added visibility Bolstered back foam profile increases air ventilation VELCRO® brand fastener straps secure rain cover to shoulder harness Elastic binding securely cinches around pack for a snug fit Suitable for Ogio No Drag Mach 1 Ogio No Drag Mach 3 Ogio No Drag Mach 5