A legacy favorite and sport staple among bass anglers, we added Corbina to the Costa PRO Series.Enhanced with our latest frame technology, the Corbina PRO uses polarized 580G color-enhancing lenses for superior clarity and scratch resistance, stronger and improved Hydrolite(TM) grips, and fully adjustable nose pads for a secure and finely tuned fit with minimal light intrusion.The Corbina PRO is the rugged frame you know, improved with six key PRO Series features and more bend over the ears to keep your cap low while scanning the water for where the 10-pounders hide. a Premium Polarized 580 Lenses* Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. a 100% UV Protection Your Costas absorb 100% of UV light, providing you the best in light management and protection. a Scratch Resistant and Durable The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning. a Costa 580A(R) lenses Costa 580A(R) lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short. The lens&'; multipatented technology manages light by: a Absorbing Harmful High-Energy Blue Light (HEV) a Enhancing Reds, Greens, and Blues a Filtering Out Harsh Yellow