RAY-BAN RB4331 Producer code:RB-4331-601-T3-61 Alcon use their unique Lightstream

Alcon use their unique Lightstream technology to put together each lens

Bifocal/Progressive: Yes Spring Hinge: No Material: TR

Dioptres: Red lenses without correction

Bifocal/Progressive: Yes Spring Hinge: Yes Material: Acetate Frame Style: Full Frame

RAY-BAN RB4331 Producer code:RB-4331-601-T3-61 Alcon use their unique LightstreamSTYLE DETAILS: Brand: Ray Ban Lens colour: Light Grey Gradient Dark Grey (601 T3) Frame colour: Black Frame material: Acetate Manufacturer code: RB 4331 601 T3 61 Lens width (mm): 61 Bridge size (mm): 16 Dipstick size (mm): 135 Gender: Mens Features: Gradient Ray Ban sunglasses were born in 1937. When the most famous sunglass model The Aviator, was designed for the U. S. Air Force, Ray Ban was just getting started. Since this date, Ray Ban has been