From Maui Jim, the Kalani PolarizedPlus2® 54mm Cat Eye 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. 54mm eye - 19mm bridge - 140mm temple 6-base curve  Two-year warranty Imported.