Smith Optics Unisex Mt. Shasta Imported Composite frame Composite lens polarized Lens width: 55 millimeters Lens height: 46 millimeters Bridge: 18 millimeters Arm: 140 millimeters 2.5" high 3.25" wide Medium fit/large coverage Carbonic Polarized Lenses Cellulose propionate frame material, adjustable wire-core temples, and barrel hinges 6 base lens Curvature