Costa Fathom Sunglasses - Matte Black/Green Mirror - Hardcore sunglasses for the hardest-core saltwater junkies. These Costa Fathom sunglasses' co-injected, co-molded frames provide the perfect fit with the best polarized lenses on the planet. Bringing maximum comfort and vision on the water, these Costa men's sport fishing sunglasses are the perfect tool to any Angler who seeks a life on the water.