100% UV PROTECTION: To protect your eyes from harmful UV rays, these Ray-Ban sunglasses include lenses that are coated with 100% UV protection. EVOLVE PHOTOCHROMIC LENSES: Evolve Photochromic Red To Violet lenses are light responsive and effortlessly adapt to changing weather and indoor/outdoor light conditions for all day coverage. CASE & CLEANING CLOTH INCLUDED: Each pair of Ray-Ban sunglasses come with a cleaning cloth and case to clean and protect your sunglasses from scratches and damage. VISIT THE RAYBAN BRAND SHOP: Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment. Description The octagonal shape on the RB4337 was made for those that want to stand out from the crowd. The lightweight acetate frame is offered in a variety of colors making it effortless enough for your most-worn-in sweatshirt and elegant enough for the fanciest day out. New with the case.