b203153 Polycarbonate Lenses Bolle's polycarbonate lenses are made from premium grade resin, resulting in a lens that is 20 times more impact resistant than glass and three times lighter, with unrivaled precision and clarity. CarboGlasreg Coating In addition to being lightweight and optically precise, Bolle lenses are enhanced with an armor shell on both sides of the lens, giving you the protection you need from scratches and other damage. bTru153 RX Program To provide the absolute best, Bolle partnered with Carl Zeiss Visionreg, a market leader in prescription sunglasses, to offer you a National Sun RX program. Now you can achieve a precise fit and a broader, more accurate field of view in Bolle's most dynamic frames. b88153 Frames Bolle uses the finest grade of nylon to give you incredibly lightweight, durable and flexible frames. This unique material composition also allows for visually stunning designs in any shape or thickness without compromising durability. Thermo