From Maui Jim, the Men's Mamalu Bay PolarizedPlus2® 59.5mm Square Sunglasses feature: Square shape Nylon frame 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. 59.5mm eye - 15mm bridge - 143mm temple Imported.