From Maui Jim, these Men's Rectangular Puu Kukui Polarized Sunglasses feature:  Gender: Men Full frame  Monel & rubber Rectangular shape Adjustable, rubber nose pad Traditional pin hinge Face Shape: Round, oval, heart Rectangle lens Bi-gradient mirror SuperThin Glass lens  SuperThin Glass provides the absolute crispest optic available.32% thinner and lighter than standard glass, it offers the best scratch resistance. PolarizedPlus2 lenses eliminate 99.9% of glare, block 100% harmful UV, and absorb harmful HEV while enhancing colors.  Approx. 58mm eye - 16mm bridge - 137mm temple - 43mm base curve Imported.