Costa Saltbreak Polarized Sunglasses - Matte Black/Blue - There's nothing fancy about the hardworking Costa Saltbreak sunglasses. Built with tough, durable nylon, integral hinges and equipped with polarized lenses, these Costa men's fishing sunglasses come in epic colors and are versatile enough for any adventure. Lens material: Polarized Polycarbonate (580P) Premium Polarized 580 Lenses: Filtering reflective glare is essential for anyone on the water or outdoors. 100% UV Protection: Your Costas absorb 100% of UV light, providing you the best in light management and protection. Scratch Resistant and Durable: The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.