Polarized with lenses contain a special filter that blocks this type of intense reflected light, reducing glare and contains radiation protection film and double anti-reflective coating. 100% UV400 protection coating, blocks most of harmful UVA & UVB Rays. It can reduce eye fatigue polarized and protecting your eyes against long term UV damage. The sunglasses is made of metal materials, lightweight frame and elasticity arm keep you comfortable. It can be used in many occasions, driving, shopping, climbing, riding, running, hang out on the beach and so on, making it a wonderful gift option for friends and family.