Ray-Ban RB3449 - SILVER Frame GRAY GRADIENT Lenses 56mm Non-Polarized Metal Imported Metal frame Synthetic lens Non-Polarized 100% UV protection coating Lens width: 60 millimeters Lens height: 55 millimeters Bridge: 14 millimeters Arm: 135 millimeters Clean lenses with the lens cloth and keep in case. 5 centimeters high 7 centimeters wide Aviator sunglasses with brow bar, rubberized arm tips, and adjustable nose pads Case included Lenses are prescription-ready (Rx-able). Lens is made Poly carbonate