Michael Kors Caicos Aviator Sunlgasses in Crystal Clear & Black - M2811S 001 57 M2811S 001 57 Composite Metal frame Glass lens Polarization Lens width: 57 millimeters Bridge: 14 millimeters Arm: 145 millimeters Frame Material: Plastic Lens Material: Plastic Lens width: 57mm Bridge: 14mm Arm: 145mm