The only worldwide blue marlin fishing tournament, World Cup, is the one to beat. Just like their namesake, the World Cup wrap sunglasses from Maui Jim are unmatched. Their wrap style is comfortable and the premium material they&&';;re made from is decidedly durable. Frame: Matte Black Rubber Lens: Neutral Grey - Offers the highest available light reduction for the richest colours and sharpest contrast. 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 -4.50 SKU: 266-02MR