Ray Ban Round Flat Lenses RB3447 Sunglasses Gradient + Black frame Grey Gradient lensWhat goes around, comes around and this is especially true with Ray-Ban Round. These round frames reflect a sprit of an earlier time but with revamped accents.Now the round lenses are flat, sitting atop gold frames, lightweight enough for any situation but still plenty strong. They may invoke another era but their construction is as modern and high quality as it gets. Choose the colour of flash lenses you want and no matter the look you`re going for, throwback or modern, your style will always keep coming back.