All-new design offers best-in-class viewport for unparalleled vision. VLS (Variable Lens System) design allows transfer of standard and injection molded lenses in the same frame. Triple-layer face foam with fleece liner. Lexan lens offers UV protection. Strap-mounted third tear-off post. The best value in riding goggles. Ounce-for-ounce our Main Goggles are the best value on the market and feature the Variable Lens System VLS™. VLS™ make your goggles compatible with both standard lenses stock and injection molded lenses sold separately within the same frame. With an expansive viewport, triple-layer foam, and tear-off functionality, they're a heavy hitter on the dirt while being light on the wallet. Wide view port provides exceptional peripheral vision. VLS™ Variable Lens System design allows transfer of standard and injection molded lenses. Triple-layer face foam with fleece liner. Specs: Wide view port provides exceptional peripheral vision. VLS™ Variable Lens System design allows transfer of standard and injection molded lenses in the same frame. Triple-layer face foam with fleece liner. Lexan™ lens offers UV protection. Strap-mounted third tear-off post. Non-slip silicone strap. Clear Lexan™ lens. Meets EN1938:2010 standard. In The Box: Microfiber goggle bag included. Are you looking for a great pair of goggles for your next off-road adventure? The Main Core Goggles by Fox offer excellent value for your money; they come equipped with a wide viewport, triple-layer foam for added comfort, and tear-off functionality. These goggles are built to last.