From Maui Jim, the Kawika PolarizedPlus2® Rectangular 54mm Sunglasses feature:  Rectangular shape Metal/nylon frame Adjustable bridge with non-slip silicone nose pads Traditional hinge MauiPure - our most popular lens material It combines optics almost as crisp as SuperThin Glass with ultra-light and excellent scratch & shatter resistance PolarizedPlus2® lenses eliminate 99.9% of glare, block 100% of harmful UV and absorb harmful HEV Rx able Approx. 54mm eye - 18mm bridge - 140mm temple - 6mm base curve Two-year warranty Imported.