Ralph by Ralph Lauren 0RA5154 541/11 Cat Eye Sunglasses,Black Crystal,56 mm Composite Imported Plastic frame Gradient lens Non-Polarized 100% UV protective coating Lens width: 56mm millimeters Lens height: 45.5 millimeters Bridge: 16 millimeters Arm: 135 millimeters Case Included Lenses are prescription ready (Rx-able)