Like New AO Original Pilot Sunglasses - Gold - Calobar Green AOLite Nylon Lenses - Bayonet Temple Overview The American Optical Original Pilot has been a favorite of U.S. military pilots since 1958 and continues to be AO’s most popular style. Expect uncompromising quality - engineered to rigid military specifications. Wear it for life, it’s a look that never goes out of style. Lenses offer 100% UVA/UVB protection and are impact-resistant (ANSI Z80.3) Click-in nosepad arms engineered for stronger soldering and less chance of breakage. Designed to incorporate a vintage AO mark of authenticity. High quality PVC nosepads are supplied by German manufacturer, Frey Winkler.