Gatorz Eyewear, Boxster Model, Aluminum Frame Sunglasses - Made in the USA Aluminum frame plastic lens Polarized Lens width: 62 millimeters Lens height: 1 centimeters LENS: Anti-Fog coating, Anti-Scratch coating, AR Coating, 100% UV protection, Impact resistant polycarbonate lenses. FRAME: Crafted with premium American made 7075 Billet Aircraft Aluminum. Made in the USA. Adjustable frame sunglasses. FEATURE: Perfect for a skydiving, motorcycle riding and hunting. There is no interference with the helmet. OFFICIAL SPONSOR of the Reebok CrossFit Games(2016 and 2017) and The OFFICIAL SUNGLASS of the 2018 Spartan race honor series. Gatorz sunglasses are very popular with the US Navy SEALs, SWAT team and elite military special forces units. Made in the USA Hand Crafted Frames 7075 Military Grade Aluminum Adjustable Custom Fit Stainless s dual-sided 5 Barrel Hinges with a Classic 4-rivet System Lifetime Promise TruRay Optics Hydrophobic Coating (Water repellant) Oleophobic (Dirt/Grease repellant) 100% UV Protection Impact Resistant Polycarbonate Lenses Precision Laser Cut Anti-scratch Coating Preferred by U.S. military elite special operations community Tested in the toughest and most rigorous environments Continually improved and enhanced based on feedback from the front lines