From Maui Jim, the Onshore PolarizedPlus2® Rectangular 58mm Sunglasses feature:  rectangular shape nylon frame Saddle-style fixed bridge with embedded rubber nose pads for added 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. 58mm eye - 18mm bridge - 145mm temple 8-base curve  Two-year warranty Imported.