· Anti-fog coated lenses. ·Purchase plus free transparent lens: reduce the thickness of the sponge by 40% to achieve a good fit while providing a wide field of vision. · Product design: non-slip silicone strap, which can fix the snow goggles in a more effective position, so you don't have to worry about the snow goggles falling off easily. · Straps are interchangeable. · Provide Asian models: The foam on the bridge of the nose of the snow goggles will be slightly higher to achieve a better fit. · Anon ICT-INTEGRAL Clarity Technology: Provides a clear view regardless of the weather.