What do you get if you cross a circle with a square? You get the hexagonal RB 3548N, the development of round flat glass lenses. The round has met the flat when it comes to lenses. This hexagonal round metal frame in classic gold color has thin embossed profiles, flat glass lenses and extremely thin temples. Mix and match the basic colors of the flash lenses to create the perfect combination. Experience the feeling of wearing an updated classic that will never make you feel like a square in a round world