Porsche Designs Eyeglasses P8118 A Light Gold Matte Demo 52 18 145 Titanium frame plastic lens non-polarized Lens width: 52 millimeters Bridge: 18 millimeters Arm: 145 millimeters RX-Able Model: P'8118 Style: Half Rim Rectangle Frame/Temple Color: Light Gold Matte/Black - A Size: Lens-52 Bridge-18 Temple-145mm