The FOX Replacement Lens Airspace/Main II MX20 by FOX RACING is designed to fit all Fox Airspace and Fox Main II goggles. Please note, it is not compatible with the first generation Main goggles. This high-performance lens ensures optimal vision and protection, making it an essential accessory for offroad enthusiasts who rely on clear sight under varying conditions. The lens offers durability and clarity, ensuring you can tackle any terrain with confidence. Upgrade your gear and maintain peak visual performance with this reliable replacement lens.