As versatile as it is stylish, the Code Breaker suits every ride. Whether on the trail or on the road, the single shield lens gives great coverage and a huge field of vision. With a simple twist of the frame, it's easy to change lenses if conditions change during a ride. Multi-Purpose: The face hugging curved lens of the Code Breaker is perfect for keeping out wind and debris, either on the road or the trails. Polycarbonate Lenses: Optics from Madison meets the highest standard for eyewear; ISO 12312. The interchangeable polycarbonate lenses are both impact and scratch-resistant. The lenses offer both supreme optical clarity and UV-A and UV-B protection. TR-90 Frames: TR-90 plastics are lightweight, flexible and durable. TR-90 plastic memory allows them to flex and return to their original shape without breaking or bending. Secure Fit: Our frames work seamlessly with your helmet with non-slip rubber tips for maximum comfort and security. The flexible nose-piece allows you to dial in the perfect fit, adjusting for extra venting if desired. Storage: All our sunglasses come with a zip-up hard case to keep them safe when not on your face and to store spare lenses and the soft cleaning cloth. Prescription: An optional RX insert is available for purchase allowing you the option to have your best sight when riding.