From Maui Jim, the Unisex Shark's Cove PolarizedPlus2® 55mm Navigator Sunglasses feature: Navigator shape Stainless steel 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  Gradient lens Approx. 55mm eye - 18mm bridge - 145mm temple Imported.