RICK OWENS PERFORMA SUNGLASSES  THESE PERFORMA SUNGLASSES FEATURE A SLIM GEOMETRIC BLACK ACETATE FRAME AND A BLACK SINGLE CUT LENS. THEY HAVE WIDE ARMS WITH THE SIGNATURE TRIO OF SILVER RIVETS ON EACH TEMPLE AND RICK OWENS LOGO ON INSIDE RIGHT. THIS LENS PROVIDES A CATEGORY 3 (100% UVA/UVB) PROTECTION. COLOR: BLACKMATERIAL: 100% ACETATEFRAME: 100% NYLON NOT SUITABLE FOR CONVERSION INTO PRESCRIPTION  GLASSES