Costa Caballito Black Frame Dark Grey 580P. Sporting flexible integral hinges, 100% polarization, a heavy duty nylon frame and Hydrolite nose pads, these Costa men's Voyager sunglasses are for those always looking to explore unknown waters.Always ready for sand, surf or open water, Costa's Caballito sunglasses are the perfect companion of the Voyager who spends his time jumping bridges into deep, clear water or the Beachcomber on the hunt to make a statement at the local's hideaway.