The Ray-Ban Round Metal RB3447 sunglasses are totally retro. This unisex frame was worn by legendary musicians and inspired by the counterculture of the 1960s. Its thin tubular lines give a lighter feel. The distinctive bridge and round shape of the mineral lenses remain the symbol of a classic timeless style. as well as Ray-Ban's classic logo that is inscribed laser on the lens. They are available in 2 sizes and several colour variations, with mineral lenses with coloured, polarized or degraded shimmer coatings.