NWOT. I tried them on and don't think they suit my face. Ray-Ban RB4397 Corrigan Bio-Based sunglasses are made with bio-acetate having 67% bio-based carbon content. This new generation of Sunglasses, combining bio-based materials with legendary style, is available in transparent grey with red mirror lenses and bioplastics frames. MODEL CODE RB4397 6684D0 54-20 FRAME SHAPE Irregular FRAME COLOR Polished Transparent Grey FRAME MATERIAL Acetate TEMPLE COLOR Transparent Grey LENSES COLOR Red TREATMENT Mirror HINGE TO HINGE 132mm LENS HEIGHT 42.1mm BRIDGE WIDTH 54 20mm TEMPLE LENGTH 145mm FITTING Regular BRIDGE & NOSEPADS High Bridge Fit