Anon Men's M2 Fog Free Magnetic Lens Ski Snow Goggle 100% Other Fibers Imported Outlast Fog Management Face Fleece provides enhanced anti-fog performance by actively controls moisture within the goggle Wall-to-Wall Vision incorporates optimal optics in a low-profile frame that utilizes 40% thinner face foam for an ultra-close fit Flush mount outrigger strap adapts to all face and helmet shapes for even pressure distribution and the most comfortable fit possible Anon Integral Clarity Technology anti-fog treatment delivers crystal clear vision in any condition Lightweight thermoplastic polyurethane (TPU) frame for long-lasting durability and a flexible, comfortable fit against every shape face The ultimate in quick lens change technology Powerful magnets create a simple and secure lens-to-frame seal with unsurpassed retention Effortless, self-aligning lens changes Seals MFI Facemask to goggles in one quick snap Four magnetic connection points Provides long lasting connection without disturbing your goggle&#039;s performance Reinforced perforated O2 vents keep you fully covered and fog-free making sure you never sacrifice clarity for comfort