Fox The Main MX GoggleFox The Main MX Goggles is constructed of light weight (TPU) two part urethane based O-matter that is both flexible and impact resistant. Increased view port for unparalleled upward, downward and peripheral vision. 100% optically pure Lexan lenses with state of the art anti-fog treatment. Triple-layer face foam maximizes comfort and sweat control for maximum moisture wicking strap. Woven nylon helmet strap features timeless Fox head icon.