Speed Demon Hybrid Gun Metal, Flash Beryllium Copper Polarized Lens

- Metal Sunglasses made with an Aluminum 7075 Alloy Frame - Durable Grilamid Nylon Temples for additional comfort - 7 Barrel Hinge, Dual Screws - 9 Base Interchangeable Lens - ANSI Z87.1-2015 Certified Safety Sunglasses - Rx capable, can function as Prescription Sunglasses   Question: What do you get when you combine Aircraft Grade Aluminum, exclusive Grilamid® Nylon, and top-rated, impact-resistant lenses? Answer: The Speed Demon Hybrid metal and nylon sunglasses from Fast Metal, aka The Godfather of Aluminum Eyewear. The Speed Demon Hybrid has the same interchangeable lens capability, 7075 Aircraft Grade Aluminum molded into a cool wrap-around style and Z87+ impact safety certification as our regular Speed Demon metal sunglasses. But this time, we’ve added something extra: Grilamid Nylon temples. Grilamid is an ultra-tough, high-tech polyamide that’s famed for its long-lasting resistance to UV degradation, chemical exposure, and temperature fluctuations. Manufactured in Switzerlan