The demands of athletes drove us to create one of the most technically advanced performance sunglasses in the history of sports. High Definition Optics offers unbeatable clarity, and permanent Hydrophobic lens coating repels water sheens, skin oils and dust. The comfortably lightweight O Matter frame is sculptured with surge ports to channel a cooling flow of air. Interchangeable nosepiece sizes help you achieve a custom fit, and Unobtainium components increase grip with sweat. Impact resistance and clarity meet all ANSI Z87.1 standards, and UV filtering is 100%. This edition comes with the Radar Pitch lens shape. Choose it if you want to extend your range of view and get the protection of maximized coverage. If your cheeks tend to touch the bottom edge of performance lenses, this one is for you.