1.antifog,UV protection 2.mirror coating and optical description 3.100% silicone material with high quality SPECIFICATONSInterchanfgeable nosebridge size for customizedSoft and comfortable silicone gasket can protect your eyes from waterAjusted silicone head strapShatter resistant lens for safetyFor more details,please feel free to contact us! tropical optical goggles