Costa Tuna Alley 580P Polarized Sunglasses keep you in pursuit of your catch, by land or by sea. The lenses block 100% UV rays and absorb harmful High-Energy Blue Light (HEV). Plus, they enhance reds, greens, and blues and filter out harsh yellows, while C-Wall coating helps keep them clean and clear. Add internal hinges, vent system, and lightweight-but-durable frame, and you get fishing sunglasses with a clear view and dependable fit through heavy action. 580P technology provides 100% glare-killing polarization, 100% UV blocking Polycarbonate lenses are lightweight and impact resistant, treated with C-Wall coating to repel oil, water, and dust Castor plant bio-resin frame is lightweight and durable, and it keeps its shape under extreme conditions Vent system aids in breathability Internal hinges for a sure fit Blue Mirror lenses are best for bright, full sun; 10% light transmission Gray Mirror lenses provide natural contrast for everyday activities, 12% light transmission Includes zipper case and cleaning cloth Extra-large frame for wide fit Order today!