Townie Shades Seattle 12's Sunglasses - Green/Blue plastic frame plastic lens polarized Lens width: 4.2 millimeters Lens height: 49 millimeters Bridge: 145 millimeters Arm: 14.2 millimeters Polarized Lenses Metal Hinges Updated and more detailed skyline artwork in Green/Blue 100% plastic frames and acrylic lenses UV 400 Protection