-Professional-quality bicycle glasses featuring a large cylindrical FLUX lens. -The FLUX lenses deliver world-class contrast, clarity, color enhancement, and long-lasting comfort. -The lightweight frame is made from sustainable bio-based material. -The anti-fog coating on the inside of the lens ensures clear vision in all conditions. -The oleophobic coating on the outside repels water and mud from the lens. -Includes transparent replacement lenses (Category 0) for cloudy days.