Get ready for a day out on the boat with the Costa Diego Sunglasses. Built with an advanced performance frame, these durable sunglasses use Lightwave glass lenses to deliver increased image clarity, while the polarized glass helps reduce glare. Sweat management channels wick away sweat to keep your face dry, and the vented hinge system promotes airflow for a cool feel. Costa Del Mar Costa Diego Sunglasses Black/Gold - Case Sunglasses at Academy Sports