Matte Black Fort Knocks Rx square-faces the universally flattering shape of

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Matte Black Fort Knocks Rx square-faces the universally flattering shape ofInspired by the United States Bullion Depository in Fort Knox, Kentucky, these high quality, form fitting sunglasses make for a comfortable and flexible fit. Best on larger head shapes, the Matte Black Fort Knocks Rx offer a timeless silhouetteperfect for your next pair of prescription sunglasses. Matte black frames Gold hardware Spring hinges Single vision or progressive Lenses available in a variety of colors All sunglasses lenses are polarized