FXR Factory Ride Roll-Off Goggles. Frame Technologies: Wavelatch quick-change lens locking system. 50 mm roll-off system. Flo-Air ventilation system with moisture channel. Rigid outrigger system. 20 mm multilayer contoured face foam. 45 mm ultra-wide woven strap with silicone traction control. Lens Technologies: XDO technology features Xtreme Definition Optic lens with hard coat and anti-fog treatment. Low-rise impact-resistant pre-curved polycarbonate lens. Ultra-wide field of view accepts 50 mm roll-off film system (included). Other Technologies: Detachable vented nose shield. Includes two (2) rolls of film and one (1) mudflap. Soft storage / cleaning bag included.