Design: Premium Polarized 580 Lenses- Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning. Retainer ready temple tips allow users to affix any retainer of their choice to ensure their frames aren't lost while exploring Double injected hydrolite on the nose and temple tip aids in comfort & retention, allowing you to better focus on the task at hand Technology: The lens' multipatented technology manages light by: Absorbing Harmful High-Energy Blue Light (HEV): Enhancing Reds, Greens, and Blues: Filtering Out Harsh Yellow Costas absorb 100% of UV light, providing you the best in light management and protection Additional Details: Regular Fitting: A large lens front designed to fit those with an average-sized head 8 Base Curve Decentered - Max Coverage: Frames with maximum-coverage and wrap that help reduce light leak