URBAN RX sunglasses are proposed with category 3 UV400 lenses. Available with a plain tint, gradient tint or with optional Polarized lenses.Shield your eyes from UV rays with style and and efficiency. Sunglasses are not just a fashion accessories, they are also protective equipment designed to shield the eyes from UV rays, avoid discomfort from bright light and help prevent problems caused by sun exposure, such as retinal damage, cataracts and photokeratitis. Our URBAN RX sunglasses collection are made for normal everyday usage. The U-Blade system ensures automatic openings and keep the eyewear comfortable and light weight. .