Features:- Inspired by the storied waters that make this par t of Indonesia a dream destination for any water adventurer, Nusa is a bold, expressive frame made from our Bio-Acetate material. Featuring a slightly oversized look, inset Glass lenses, and premium craftmanship details throughout, these handmade frames are a no brainer on your next costal adventure.- 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.