The Anon Mig Snow Goggles are the future of integrated full-face protection, offering the perfect solution for simplifying your kit. Four magnetic connection points make sealing it to your goggle a snap, and the reinforced perforated O2 vents keep you fully covered and fog free.The Mig Goggles utilize anon's spherical lens construction that combines de-centered technology with a lens curvature that mimics the curvature of the human eye for superior optics in all directions. Triple Layer face foams utilize moisture wicking fleece that provides a perfect goggle-to-face fit, sealing out the elements while providing hours of riding comfort. The Dark Smoke (8% VLT) Lens has a dark grey base lens tint that won't distort colors on super bright glacier days. This model also includes a spare Amber lens (55% VLT) that are an outstanding multi-purpose lens tint that filters reflected blue light for superior contrast, shadow definition and depth perception. All anon. lenses provide 100% protection from harmful UV rays and exceed ANSI Z87.1 impact test standards.