The Ray-Ban RB6317 Black glasses offer a modern spin on the brand’s iconic Clubmaster design with narrower lenses and a flatter nose bridge. The frame front boasts a contrasting combination of smooth matte black metal at the top and a thin line of silver metal at its base, while curved frame arms and adjustable nose pads ensure a comfortable fit. These are ROUND Glasses with a FULLFRAME type, measuring 135mm in width and 41mm in height. The temple arm width is 20mm. They are suitable for adults.