Bolle Performance Parole Sunglasses (Matte Black/TNS Gun) Nylon frame Polycarbonate lens Non-Polarized Lens width: 69 millimeters Bridge: 11 millimeters Arm: 130 millimeters 2.6" high 3.1" wide A sporty and streamlined frame that is truly all about performance The Optics Control System, which allows for interchangeable lenses that can keep up with changing conditions Nose padding and temple lining made with Thermogrip technology, which provides a secure and comfortable fit A semi-rimless design that provides an unobstructed view The Bolle label displayed on the lens and temple Fit - Medium/Large UVA/UVB Protection - Bolle exceeds the industry standard with 100% 20.3 Poly carbonate Lenses - Sunglasses should protect you from more than just the sun Rx S.O.S. Prescription Available S.O.S RX Adapter - With one simple snap, the patent-pending technology in our Rx adapter