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. Gunmetal Jewelry Quality frame finish. AGX - This ‘relaxing’ green lens selectively highlights the soothing green/yellow wavelengths of the light spectrum to reduce eye fatigue and improve visual performance. Polarized - glare prevention with UVA/UVB protection. SkyTec™ Glass Polarized lenses with Vector™ Anti-Reflective & Blue Wave™ lens technology. Made in USA. 58mm.