AO Original Pilot 52mm Black Frame with Cable Temples and  Color Correct Gray Polarized Polycarbonate  Lens Lens The 52mm frame is perfect for medium size faces Made in USA! Issued to millions of U.S. soldiers, sailors, marines and airmen since 1958 Metal frame with bayonet temples, engineered to rigid military specifications for comfort, performance and protection These are the first sunglasses to land on the moon worn by Commander Neil Armstrong and the crew of Apollo 11 in 1969 Issued to millions of U.S. soldiers, sailors, marines and airmen since 1958 Distortion free, toughened and polished True Color Gray polarized polycarbonate lens Engineered to rigid military specifications Worn by Commander Neil Armstrong and the crew of Apollo 11 in 1969 The 52mm frame with bayonet temples is perfect for smaller faces