Located on Kaihalulu Bay, Red Sand Beach is one of the only red sand beaches in the entire world. Like their namesake, the Red Sand polarized rectangular sunglasses are one of a kind with their combination of durability, lightweight ease-of-wear, and a variety of cool colourways to choose from. Details Lens Material: MauiPure - Our most popular lens material. It combines optics almost as crisp as SuperThin Glass with ultra light and excellent scratch & shatter resistance. Rx Power Range: +3.00 to -5.50 Face Size: Medium