<b>Feature</b><br><b>Magnetics Fast Interchangeable lens</b><br>2 second Magnet quick lens-changing system for better lens swapping and cleaning.It is convenient to exchange lens based on weather and light anyway and anytime.There are 10 pairs magnets which can hold the lens tightly to prevent from fogged up.<br><br><b>Excellent Antifog and 100% UV Protection</b><br>The inner lens is made of Italian smart ventilation system material and the outer lens come with super-hardening technology to enhance enchanced anti-scratch performance and give longer & better anti-fog performance.<br><br> <b>Large OTG (Over Glasses)Design</b><br> The OTG design allows you to wear your glasses under the goggles. <br><br><b>Helmet Compatible Adjustable Strap</b><br> The silicone-backed strap allows for helmet compatibility for any helmets.<br><br><b>Attention for Fog-Up</b>:keep no gaps between the helmets and goggles.Wearing a cloth hat (either with or without a brain-bucket) interrupts this flow, blocking the goggle's top vents. Buy a good helmet with goggle vents, ditch that goofy stocking cap, get rid of your gaper gap, and everything will be fog-free. And if your mouth is covered with you breathing into a fabric that's tucked under the goggles, they'll always fog in that scenario.<br><br><b>Warmm Tips.</b><br> 1,Never wipe the Inner lenses with cloth in order not to damage the anti-fog layer.Clean directly with water gently and Airdry if the inner lenses get dirty.<br>2,Carefully clean the Outer LENS with the pouch gently.<br> 3.Store the goggles in a small bag or box instead of desk or car.<br>4,Avoid Cosmetics to get stains or discoloring of the frame foam.<br>5,Air-dry the goggles for every snow sport.Never use your finger to clean the lens.<br>