From Maui Jim, the Castles PolarizedPlus2® Aviator 61mm Sunglasses feature:  aviator shape monel metal frame Saddle-style fixed bridge with adjustable nose pads traditional 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. 61mm eye - 16mm bridge - 140mm temple 8-base curve two-year warranty Imported.