The Ray-Ban 4320 Chromance Polarized sunglasses are 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 polarized lenses with vibrant gradients, these shades are engineered for function and attention. Best Use: Streetwear/Driving, Frame Material: Nylon, Polarized: Yes, Face Size: Large, Nose Pads: Yes, Warranty: 2 Year, Lens Type: Polarized, Model Year: 2019, Product ID: 577714, Frame Shape: Aviator, Model Number: RB4320CH 601SA1 58, GTIN: 8056597017374