The trusted tool of the true angler, Costa's Blackfin sunglasses bring serious clarity and comfort to a day fishing, whether it's wrestling marlin in the deep sea, spinning up salmon the river's current or fly casting for bonefish along the coast. 100% polarized, flexible and boasting a Hydrolite™ co-injected lining, these Costa men's Angler fishing sunglasses are made for performance and are a necessary addition to any tackle box. 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.