MTB Goggles Fox Main X - BlackMTB Goggles Fox Main Black All weather trail riding goggles The Main X Stray Goggles deliver trail ready functionality. All weather performance is maximized with the use of a dual paned Lexan lens to reduce fogging on cold, wet rides. Ounce for ounce, the Main X Goggles are the best value on the market, and feature our Variable Lens System (VLS). VLS makes your goggles compatible with both standard lenses (stock) and injection molded lenses (sold