From Maui Jim, the Komohana PolarizedPlus2® Square 50mm Sunglasses feature:  Square shape Nylon frame Single bridge with adjustable, non-slip silicone nose pads Traditional hinge MauiPure® LT - MauiPure LT is lighter and 27% thinner, and delivers optics nearly as clear as SuperThin Glass with exceptional impact and scratch resistance. Available exclusively in select styles that have been engineered for ultimate weight reduction, performance, and flexibility Not available in prescription PolarizedPlus2® lenses eliminate 99.9% of glare, block 100% of harmful UV and absorb harmful HEV Approx. 50mm eye - 12mm bridge - 136mm temple 6-base curve  Imported.