Tolasmik Double Layer Anti-fog Ski GogglesAnti 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