Features HIGH-STRENGTH LIGHTWEIGHT MATERIALSWeve made sure to pour the highest grade of every feature into our Polarized Sunglasses. Our lens are Polarized UV 400, Scratch resistant and Water proof as well. The frame of our sunglasses are made with metal material which is high quality and high comfortability UV400 POLARIZED PROTECTIVE LENSThese sunglasses are superior to the previous type of sunglasses in three ways - when moving indoors or outdoors, the lenses adjust to the reduced light conditions automatically. And secondly, the polarized lenses reduce flare and glare. Meanwhile, 100% UV protection layers against harmful UVA/UVB Rays USAGE OCCASIONS Photochromic looking sunglasses can do a good job of stopping the dazzling effects of sunlight when you are driving, running, fishing, biking or other outdoor activities. Keep your safety always by your side. NO MATTER DAY OR NIGHT, IT WORKS WELLOur sunglasses are made of special photochromic polarized lenses. When driving at night or into a dark environment, the lenses are lightcolored transparent to enhancing the visibility while effectively reducing the glare. During the daytime, it can effectively filter the strong light, enhance the visual sharpness, reduce eyes fatigue, and keep the eyes always in the most comfortable state of outdoor activities. DETAILS FEATURES Polarized Grade-A Lens Metal frame Scratch Resistant Lenses Shatterproof Lenses Hydrophobic Lenses Polarized Grade-A Lens Anti-Reflective Coating 100% UV Protection Specification MaterialTAC+PC Product size:148*145*49mm Product weight:29g Package includes:New Design Men Polarized Sunglasses*1PCS