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. 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. Polarized Glass. Part of the proceeds from this sale goes to the OCEARCH shark research organization. This Costa Sunglass comes with hard-sided carry case, custom shark print cloth baggie and C-Mask. More about OCEARCH: Wipe Jaws from your memory. Great White Sharks and other large apex predators are the lifeblood of our oceans. That's why Costa is a proud partner of OCEARCH, a group of explorers and scientists dedicated to generating previously unattainable data on the movement, biology and health of sharks. All while protecting their future and educating the public. No one has ever attempted a program like this before. The information being collected is not only staggering, it's helping protect these predators at the top of the marine food chain. As go the sharks, so go our oceans.