Arnette Mens Straight Cut NA Imported Plastic frame Plastic lens non-polarized Lens width: 58 millimeters Bridge: 17 millimeters Arm: 145 millimeters Frame Material: Grilamid Arnette Straight Cut Outdoor Sunglasses for Adult Non-Polarized Model. Polarized Lenses or Eyewear sold separately. Polarized Lenses is an optional purchase. Please check for Availability