From Maui Jim, the Punchbowl PolarizedPlus2® Rectangular 54mm Sunglasses feature:  rectangular shape nylon frame Fixed saddle-style design with embedded, non-slip, silicone nose pads for comfort spring hinge SuperThin Glass - Provides the absolute crispest optics available. 20% to 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance PolarizedPlus2® lenses eliminate 99.9% of glare, block 100% of harmful UV and absorb harmful HEV Rx able Approx. 54mm eye - 17mm bridge - 135mm temple 6-base curve two-year warranty Imported.