Bolle Sport Fang Sunglasses (Dark Tortoise/Polarized Axis,) plastic frame plastic lens Polarized Lens width: 59 millimeters Bridge: 32 millimeters Arm: 60 millimeters 3.94" high 7.87" wide A light weight and extremely durable plastic frame A slim profile wrap design that is made for a small to medium fit Nose padding and Temple lining made with thermogrip technology, which provides a secure and comfortable fit The bolle logo displayed on the lens and on the temples B20.3 Polycarbonate lenses Fit - medium/large UVA/UVB protection - bolle exceeds the industry standard with 100 percent Poly carbonate lensesare lightweight, premium-grade resin that's 20 times more impact resistant than glass-and three times lighter Rx8 prescription available