Vintage Safety Glasses from American Optical. Fantastic, sought after, vintage aviator style frame with Double horizontal bars at the bridge. Made of translucent poly in gradient dark red. Flexi-fit hinges. They are lightweight & easy to care for. The lenses are z87 safety non rx & show age appropriate wear. Would make incredible sunglasses with new gradient lenses. Perfect for your road trip in a vintage Firebird? Weekend in Vegas? Daft Punk Concert? Come’n Get’em. Vintage 2 Bar Red Gradient American Optical Flexi-Fit Ao Safety Glasses - Sunglasses Aviator Frames Motorcycle Scooter