From Maui Jim, the Capri PolarizedPlus2® Cat Eye 51mm Sunglasses feature:  cat eye shape acetate frame saddle-style bridge 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. 51mm eye - 21mm bridge - 145mm temple 4-base curve  two-year warranty Imported.