Lens Material: 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. Glass or Maui Brilliant (as specified). The only worldwide blue marlin fishing tournament, World Cup, is the one to beat. Just like their namesake, the World Cup wrap polarized sunglasses from Maui Jim are unmatched. Their wrap style is comfortable and the premium material they’re made from is decidedly durable.