Inspired from the famous Bolle CHRONOSHIELD model, the SHIFTER is packed with simple yet innovative features to enjoy the ride. Curved temples, vented lens & Phantom lenses, have made SHIFTER the natural choice of pro racing cyclists. + Rediscover Earth With Volt +Bolle's Volt+ is the first sunglass lens ever created using Artificial Intelligence. Bolle tested over 20 million combinations to develop a patented solution which delivers a richer color experience than is humanly possible. Volt+ offers 30% superior color enhancement to help you see colors you've never perceived before while maintaining white balance. In addition to enhancing all colors, Volt+ offers high contrast vision, improved depth perception and high performance polarization.Thermogrip TechnologyThermogrip thermoplastic rubber is specificaly engineered to get gripier when in contact with water and sweat. Inserted at strategic touch points of frames such as the temples or the nosepiece, it ensures a perfect fit no matter the intensity of your activity.