Smoke Mirror + Amber + Clear Lens Included The large modern styled Enigma frame offers a huge field of vision and protection. Just one of our models that is compatible with a prescription RX insert to help keep your focus when you're rattling along technical trails or bumpy roads. Features: 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 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 3 Lens Pack option: If you choose our 3 Lens Pack option it contains a Cat. 3 tinted lens for bright conditions a Cat. 1 amber lens for medium-light conditions and a Cat. 0 clear lens for low-light conditions Size Spec: Lens Width: 129mm Lens Height: 49mm Frame Width: 141mm Bridge Height: 13mm Arm Length: 127mm Limited Lifetime Warranty: At Madison we pride ourselves on offering an excellent product with aftercare to match. That's why this product is covered by our Limited Lifetime Warranty