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Costa Sunglasses Half Moon 580G Tiger Shark Green Mirror You’ll look like a Maverick in Costa’s Half Moon sunglasses a West Coast inspired beach style that rides the mystique of epic ocean swells. Available in Shiny Black and Tiger Shark as tributes to the Icy water huge swells and some of the largest sharks in the world that frequent Half Moon Bay. With straight temples double-cut textures and integrated Spring Hinges combine outstanding function and comfort with beautiful aesthetics. The sporty beach style of Half Moon embolden the thick ominous waves of the legendary Mavericks surf break. 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.