Bolle Phantom (Polarized TNS, Silver Wicker) B20.3 Polycarbonate Lenses are 20x more impact resistant than glass and 3x lighter CarboGlas Coating gives an armor shell from scratches and abrasions Optics Control System is an interchangeable lens system that allows you to swap out the lenses for different lighting conditions b88 frames are made of the finest grade nylon for incredibly lightweight, durable, flexible frames ThemoGRIP comfortable hydrophilic nose pads and temple tips keep the sun glasses in place