From Maui Jim, the Shore Break PolarizedPlus2® Square 50mm Sunglasses feature:  Square shape Nylon frame Saddle bridge with embedded rubber 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. 50mm eye - 21mm bridge - 140mm temple 4-base curve  Two-year warranty Imported.