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, and the goggle is Over the Glasses (OTG) compatible for wear with eyeglasses. Includes MFI Facemask (select colorways only), spare Graybird lens (select colorways only), and microfiber goggle bag for storage and cleaning the lens.