The Kawika frames are a retrospective look at one of Maui Jim&';s original styles. These classic polarized sunglasses are a true testament to Maui Jim&';s legacy and heritage of providing quality, durable frames with unmatched lens clarity. Frame: Black Gloss with Antique Pewter Lens: HAWAII LAVA(TM) - Our red mirror coating provides a stylish new look that offers the same amazing color enhancement and clarity as all other Maui Jim lenses. Lens Material: MauiPure - Our most popular lens material. It combines optics almost as crisp as SuperThin Glass with ultra lightweight and excellent scratch and shatter resistance. Rx Power Range: +3.00 to -6.50 SKU: RM257-17C