Revision Speed Demon Sunglasses Basic Kits Cerakote Coyote Brown Frame Clear Lens. 1 impact protection. Fast Metal was built on over 35 years of experience in manufacturing the highest quality metal sunglasses by its founder Ken Wilson. As the pioneer of the aluminum sunglass industry Ken created the first patented 27-step procedure for manufacturing high-quality aluminum frames. Today Fast Metal is proud to offer the world's first and best aluminum sunglass and Glasses protection system featuring field replaceable lenses. Specifications for Revision Speed Demon Sunglasses Basic Kits: Manufacturer: Revision Size: One Size Age Group: Adults Gender: Unisex Frame Material: 7075 Military Grade Aluminum Lens Material: Polycarbonate Lens Finish: Anti-Scratch Anti-Fog Features of Revision Speed Demon Sunglasses Basic Kits Scratch-resistant field replaceable lenses Ocumax anti-fog coating All metal frame 7 barrel hinge with dual screws Package Contents: Revision Speed Demon Sunglasses Basic Kits Microfiber Pouch Case Revision 4-0756-0014: Speed Demon Sunglasses Basic Kits Cerakote Coyote Brown Frame Clear Lens