These offer great coverage and a huge aid in field of vision, which is ideal for fly fishing. The coverage also offers great eye protection when fly fishing  Lens Light Filtration Cat. 3
 Interchangeable Lenses - Madison polycarbonate lenses deliver supreme optical clarity and UV-A and UV-B protection. The lenses are impact and scratch-resistant, tested under the requirements of ISO 12312. 
 
 Durable Frames - TR-90 plastics are lightweight, flexible and durable. TR-90 allows the frames to flex and return to their original shape without breaking or bending. 
 
 Secure Fit - Our frames work seamlessly using non-slip rubber touch points for maximum comfort and security. The flexible nose-piece allows you to dial in the perfect fit, adjusting for extra venting. 
 
 Hard Case - Madison eyewear comes with a hard case for safe transportation and storage. 
 
 Soft Pouch - We have included a soft pouch for lens cleaning and protection on the move. 
 
 Prescription Lenses - An optional RX insert is available for prescription lenses. 
 
 Limited Lifetime Guarantee - 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 Guara