The women's anon. wm1 goggle features magna-tech quick lens change technology, which uses 14 rare earth magnets to make lens changes easier than ever. Women's-specific design ensures the best possible fit and comfort. Spherical lens technology mimics the curvature of the human eye for superior optics, and OUTLAST fog management face fleece eliminates moisture before it can cloud the lens. Magnetic facemask integration (MFI) seals your anon. MFI facemask to the goggle in one quick snap. Includes MFI facemask (select color ways only), spare gray bird lens, compression-molded storage case, and microfiber goggle bag for storage and wiping the lens clean.