RB6378 gunmetal shiny blueSuper thin and undeniably cosmopolitan, the arresting round shape and fine lines make these frames a must have for any style connoisseur. Favorite shades of red, brown, blue, green and black are joined by bilayer looks of black or blue on silver or amaranth on gold. From your most powerful office look, to a casual weekend curled up with your favorite book, these opticals have you elegantly covered.