From Maui Jim, the Mano Unisex Square Polarized Sunglasses feature:  Full frame Monel Stainless steel & nylon Aviator, square  Adjustable, ceramic encased in silicone Traditional pin Unisex, medium Face shape diamond, heart, oval, round Square lens shape Blue Hawaii blue mirror  Super thin 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. 57mm eye size (A) - 16mm bridge size (dbl) - 142mm temple length 46mm vertical size - 4mm plano curvature Imported.