Ray-Ban Hexagonal Flat Lenses Sunglasses Arista Gold G-15 。Like-new, barely worn! No scratches or signs of damage. Selling to downsize how many sunglasses I have. Comes with travel case but no polishing clothe. Frame: Polished Arista Gold Lenses: G-15 Green Polarized SIZE: 51 21mm Lens height: 44.7mm Temple Length: 145mm ~~~ What do you get when you cross a circle with a square? You get the hexagonal RB 3548N, the evolution of round featuring flat crystal lenses. Round meets flat, when it comes to lenses that is. This hexagonal round metal shape features thin coined profiles and flat crystal lenses on classic gold with extremely thin temples.