Bolle Sport Fang Sunglasses (Shiny Black/Polarized TNS) Plastic plastic frame plastic lens polarized Lens width: 59 millimeters Bridge: 32 millimeters Arm: 60 millimeters 2" high 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 Polycarbonate lenses are made from lightweight, premium-grade resin that's 20 times more impact resistant Rx8 prescription available