The men’s Anon MIG goggle features Magnetic Facemask Integration (MFI®) that seals your Anon MFI facemask to the goggle in one quick snap. Spherical Lens Technology mimics the curvature of the human eye for superior optics. The MIG goggle is Over The Glass (OTG) compatible for wearing with eyeglasses. NEW SONAR Lenses by ZEISS enhance contrast for the best possible definition and terrain recognition. Includes MFI Facemask and spare Graybird lens (select colorways only), and microfiber goggle bag for storage.