Filled with unforgettable views, Koko Head is the headland that defines the eastern side of Maunalua Bay on O&';ahu. Their namesake polarized sunglasses from Maui Jim were designed with a rounded frame and keyhole bridge to allow wearers to feel comfortable as they take in all of life&';s amazing views with unmatched clarity. Frame: Matte Tortoise Lens: HCLA(R) Bronze - Versatile in changing conditions with a warm tint. 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. Rx Power Range: +3.00 to -6.50 SKU: H737-10M