Durable, lightweight TR90 NZZ flexible frame Anti-fog coated lens Shatter-resistant polycarbonate lens Anti-scratch lens 100% UV protection Anti-slip rubber temples Anti-slip adjustable nose piece Includes microfiber pouch You know the importance of keeping your drivetrain clean. Well the Sprocket is about as clean as you can get. The smooth clear frame design and tension locking temples provide a clean look and feel not easily replicated. Anti-Fog smoked lenses provide 100% UV protection so you can get out and get your Sprocket dirty.