For those who bleed saltwater, Cost´s Brine sunglasses are one of the most useful fishing tools in any tackle box. Hydrolite™ temples, co-injected, co-molding technology and our storied 580 lens technology, these Costa men´s sunglasses deliver comfort and durability to anglers whose greatest love is bending a rod. Because to some, performance isn´t just nice it´s necessary. Features: 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. 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. Specifications: - Lens material: Polarized Polycarbonate (580P) - Frame fit: Narrow - Lens curve: Base 8 Decentered Technology: Green Mirror: - Enhanced vision and contrast for fishing inshore and on flats. - Copper Base - 10% light transmission Optimal usage: - Sight fishing in full sun - High contrast Costa 580® lenses: - Costa 580® 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: - Absorbing Harmful High Energy Blue Light (HEV) - Enhancing Reds, Greens, and Blues - Filtering Out Harsh Yellow Superior clarity & Scratch resistance: - Glass Provides The Best Clarity In Material - Encapsulated Mirrors (Between Layers Of Glass) Are Scratch Proof - 20% Thinner And 22% Lighter Than Average Polarized Glass Lightweight, Impact Resistant: - Polycarbonate & are your lightest and most durable lens material options - C WALL is a molecular bond which is scratch resistant