Inspired by Speedcraft's legendary success on cycling's biggest stages, S2® is 100% speed that has been newly refined for everyday sports performance. Features Designed in California Ultra HD lenses manufactured from high-impact resistant and lightweight polycarbonate 5.5-base cylindrical shield lens for increased peripheral view and protection 360° visibility for unobstructed views and optimal field of vision Lower air scoops to increase ventilation while reducing moisture on the lens Interchangeable scratch resistant lenses provide 100% UV protection (UV400) Hydrophobic and Oleophobic lens treatment repels water, dirt and oil Durable, flexible and lightweight TR90 frame Ultra-grip rubber nose and temple tips provide a secure fit no matter how much you sweat Also available with contrast-defining HiPER lens and photochromic lens Compatible with 100% RX insert large Comes with a hard case, microfiber cleaning bag, clear replacement lens and extra alternative fit nose pad