Ralph Lauren Womens 0RL8094B 50018E Butterfly Sunglasses Plastic frame Gradient lens Non-Polarized UV400 Lens 100% UV Protective coating Lens width: 57 millimeters Lens height: 48.8 millimeters Bridge: 16 millimeters Arm: 135 millimeters Case Included Lenses are prescription ready (Rx-able)