Costa Caballito Carribbean Fade Frame 580G Polarized SunglassesProduct Description. Always ready for sand, surf or open water, Costa's Caballito sunglasses are the perfect companion of the explorer 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. Sporting flexible integral hinges, polarization, a heavy duty nylon frame and Hydrolitenose pads, these Costa sunglasses are for those always looking to explore unknown waters.