Pilot-shaped for a soaring, sporty look. Lightweight nylon fiber for the ideal fit. Frames that go everywhere and do it all with panache. With color-enhancing Chromance mirror lenses or polarized lenses with vibrant gradients, these shades are engineered for function and attention. These Ray-Ban Chromance RB4320CH sunglasses feature a matte black frame with grey mirror lenses. The lens size is 58-16.