Ray-Ban Cats 5000 Classic sunglasses feature a reinterpretation of the iconic Aviator into a lightweight propionate plastic frame material. These sunglasses offer a similar aviator look and style, yet are completely unique and unmatchable. Cats 5000 Classic RB4125 sunglasses represent everything that is timeless, bold and unparalled in the Ray-Ban collection. Pick from a variety of frame colors as well as lens treatments such as polarized, crystal brown gradient, crystal grey gradient and crystal green. These sunglasses offer optimal comfort and 100% UV protection to keep you safe and glare-free.