The Lightshifter sports sunglasses are a stripped back, half-rim version of Bolle’s Shifter model. The cycling-specific sunglasses are super lightweight with Thermogrip® inserts and an adjustable nosepiece for a stabilised and tailored fit. Curved temples enhance helmet integration. Volt+ Gun Cat 3 Lens Tint Base: Grey Light Transmission: 15% The Volt+ is Bolle’s revolutionary polarized and high contrast lens. The first ever lens developed with Artificial Intelligence, it helps to improve colour perception by up to 30% while maintaining natural white point and establishes a whole new standard for high contrast lenses.