Benefit from the expansive yet lightweight Crypto Air design, where your unobstructed view of the road or trail is paramount. Featuring our super adjustable nose piece and temple tips, this one suits all faces. Multi-Purpose: Both versatile and stylish, Madison Optics maintain their good looks on the road or 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 zi...