Bolle Lightshifter Sunglasses feature curved temples on this very lightweight at 34g frame. This semi-rimless wrap around sports style is a small to medium fit and also has anti-fog, anti-scratch and Oleophobic treatment to the one piece interchangeable lenses. A very popular choice with cyclists including the AG2R Lan Mondiale pro cycling tea,Filter Category 3: General purpose sunglasses. High protection against sunglare. Good UV protection. Not suitable for driving in twilight or at night. Sunglasses and Fashion Spectacles are: - Not for direct observation of the sun. Not for protection against artificial light sources, e.g. solaria. Not for use as eye protection against mechanical impact hazards.