Arnette Mens D Street Grilamid Frames Imported plastic frame plastic lens non-polarized Lens width: 55 millimeters Bridge: 17 millimeters Arm: 130 millimeters Frame Material: Grilamid Arnette D-Street Outdoor Sunglasses for Adult Non-Polarized Model. Polarized Lenses or Eyewear sold separately. Polarized Lenses is an optional purchase. Please check for Availability