Named after the Concorde supersonic passenger airliner, which entered service in 1976 (four years after Randolph Engineering was founded), the Concorde is built to meet the same military standards as our classic Aviator. Featuring the iconic large teardrop shape worn by pilots during World War II, this style is loved for its fashion as well as for its sun protection. 23k gold and other premium-quality finishes for durability & scratch resistance Lifetime warranty on all frames 100% UVA/UVB protection Handcrafted in the USA in 200+ steps Available in signature bayonet or standard temples Military-issued since 1978 Self-adjusting cushioned nose pads Includes leather case and cleaning cloth pouch