Speed Demon

- All Metal Sunglasses made from Aluminum 7075 Alloy - 7 Barrel Hinge, Dual Screws - 9 Base Interchangeable Lens - ANSI Z87.1-2015 Certified Safety Sunglasses - Rx capable, can function as Prescription Sunglasses  Take your sunglasses from zero to hero in the literal blink of an eye. Meet the Speed Demon from Fast Metal, forged from 7075 aircraft-grade aluminum, meaning your levels of eye protection and fashion style are taking off to new heights. What’s so special about our Speed Demon metal sunglasses? Glad you asked. Just a little thing called interchangeable lenses, which allow this versatile visual aid to function as a pair of Z87+ certified safety glasses and prescription sunglasses at the same…damn…time! For you statistic geeks out there - Z87 is the American National Standards Institute’s rating for safety eyeglass lenses that properly protect your eyes from projectiles, chemicals, and harmful dust. The plus sign we have after our Z87 means that our metal sunglasses go beyond t