SALT. Optics New, Never worn. MATTE frame This distinguished optical frame with a soft round shape takes a cue from the 1960’s. 47-21-149 100% Made In Japan with high quality Japanese componentry. Japanese acetate ensures rigidity & durability for a proper fit, lasting adjustments, and high luster. Functional rivet hinges provide lasting quality for generations. Specific acetate thickness designed to provide the proper fit, while reducing stress to the lens and ensure superior optics