RICK OWENS PERFORMA SUNGLASSESTHESE PERFORMA SUNGLASSES FEATURE A SLIM GEOMETRIC BLACK NYLON FRAME AND A SINGLE CUT LENS. THEY HAVE WIDE ARMS WITH THE SIGNATURE TRIO OF SILVER RIVERTS ON EACH TEMPLE AND RICK OWENS LOGO ON INSIDE RIGHT.COLOR: BLACK AND SILVERMATERIAL: 100% ACETATEFRAME: 100% NYLON NOT SUITABLE FOR CONVERSION INTO PRESCRIPTION  GLASSES