A modern evolution of the classic round, the RB3548N blends circular curves with sharp edges for a distinctive geometric look. Flat crystal lenses and ultra-thin metal details give this style a lightweight, fashion-forward feel. Details: Geometric hexagonal frame that merges round and square elements Slim metal construction with a refined gold finish Flat crystal lenses for a clean, contemporary profile Extremely thin temples for a lightweight, barely-there feel Adjustable nose pads for comfort and everyday wear 100% UV protection