From Maui Jim, the Kahuna PolarizedPlus2® Rectangular 59mm Sunglasses feature:  rectangular shape monel metal frame Saddle style, fixed bridge with built-in nose pads made from an embedded rubber compound 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. 59mm eye - 18mm bridge - 130mm temple 8-base curve two-year warranty Imported.