Ray Ban Round Blaze Round RB3574 Sunglasses Gradient + Black frame Grey Gradient lens Timelessness gets an update with RB 3547N. An iconic model, now featuring flat crystal lenses. The evolution of round has met flat crystal and has been given an unmistakable Ray-Ban feeling, while keeping the essence of round. The unique flash lenses come in a variety of colours, so you can really shine, no matter where or when. An edgy variation on a well-known style comes with silicone nose pads, which ensure a comfortable fit and amazing comfort, RB 3547N a quintessential part of any wardrobe.