Costa Motu Polarized Sunglasses - Named after the perfect spot to take a break in the crystal, clear waters of the salt flats, the Costa Motu sunglasses are great for catching a couple cold ones in between casts or reeling in the big one himself. Built with a relieved face curve for total comfort and outfitted with optical-quality spring hinges, these polarized, mirrored lens optional Costa men's performance fishing sunglasses make it easier to get the most out of a day on the water.