Made for those who have the guts to get into the water and chase the unknown, the Costa Hammerhead sunglasses are the embodiment of the bravery of those who at home in uncharted territories. Full-wrap coverage, mirrored, 100% polarized, these Costa men's Angler sport fishing sunglasses are the best performance sunglasses in open waters. All Costa lenses have 100% UV blockage for maximum protection and 100% polarization to kill reflected glare. Our 580 technology goes beyond polarization to produce the clearest lenses on the planet. Choose Glass for superior clarity and scratch resistance. Choose Plastic for a lightweight durable option.