Fashion outlet Cool Bicycle Polarized Cycling Glasses Outdoor Sports Sunglasses 100% Brand New and High Quality Flexibility, durability and light weight make it the perfect material for performance eyewear. Has anti scratch function, so you can wear it to play sports. All of the lenses block 100% of UVA, UVB and UVC rays, and harmful blue light to 400nm. These harmful rays are leading cause of cataracts, skin cancer and wrinkles around the eyes,all great reasons to block them out.