From Maui Jim, the Women's Lychee 52mm Cat Eye Polarized Sunglasses feature: Acetate frame Cat eye shape Saddle-style bridge Traditional pin hinge SuperThin glass lens material SuperThin glass provides the absolute crispest optics available. 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance Approx. 52mm eye - 19mm bridge - 145mm temple length - 37mm vertical size - 4mm plano curvature Imported.