Corsair, named after the F4U Corsair aircraft flown in combat by the U.S Navy, Air Force and Marine pilots. A high-performing, durable frame distinguished by a subtle dip in the brow bar for a strong aerodynamic look. Bronze Oxide Jewelry Quality frame finish. American Gray - Randolph's signature neutral gray tint lens, originally engineered for military pilots. Maintains ‘true’ color and contrast distribution throughout all light and terrain conditions. Polarized - glare prevention with UVA/UVB protection. SkyTec™ Glass Polarized lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology. Made in USA. 58mm.