From Maui Jim, the Wana PolarizedPlus2® Rectangular 61mm Sunglasses feature:  Rectangle shape Monel metal frame with acetate temples  Single bridge with adjustable rubber nose pads Pin 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.