From Maui Jim, the Isola Oversized PolarizedPlus2® 58mm Sunglasses feature:  square shape acetate frame saddle-style bridge traditional 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 - 17mm bridge - 145mm temple 6-base curve Two-year warranty Imported.