Features:- Inspired by the laid-back beaches of Tybee Island, the Tybee acetate frame with polarized lenses are made for taking it all in. Tybee features ocean-inspired colorways and a casual style that lives up to the watery world that inspired it, while embodying the classic town it’s named for. Sunglasses inspired by a life on the water, colors, patterns and textures that capture the spirit of the sea. And because they come with 580G lenses, you'll be able to soak up every detail while you're soaking up the sun.- Premium Polarized 580 Lenses. Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses.- 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.- Del Mar Sunglasses inspired by a life on the water, colors, patterns and textures that capture the spirit of the sea.- Blue Mirror.- Best for bright, full-sun situations on the open water and offshore.- Gray Base.- 10% light transmission.- Optimal usage.- Boating and fishing in deep water.- Open reflective water.- Harsh sun.- Costa 580® lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short.- The lens' multipatented technologymanages light by:- Absorbing Harmful High-Energy Blue Light (HEV).- Enhancing Reds, Greens, and Blues.- Filtering Out Harsh Yellow.