A new spin on our classic Costa Hammerhead sunglasses, the Costa Luke sunglasses celebrate the unique style of the country singer, songwriter Luke Bryan. Full-wrap and with a laidback attitude, these 100% polarized Costa men's sunglasses are outfitted with nylon frames, spring hinges, tortoise shell frames. Perfect for a Beachcomber's casual day in the sun or a Voyager's adventure on the water.