Ray-Ban Men's RB8307-029/71 Aviator Carbon Fibre Oval Oval Sunglasses,Matte Gunmetal,55 mm Imported Metal frame Synthetic lens Non-Polarized 100% UV protection coating Lens width: 54.5 millimeters Lens height: 47.5 millimeters Bridge: 14 millimeters Arm: 140 millimeters Case Included Lenses are prescription ready (Rx-able)