Big Fish 1983 Realistic Seabass Sunglasses are high-performance polarized sunglasses for demanding anglers. Their curved, full-coverage frame ensures a perfect fit and optimum protection against side light and water glare. They are ideal for all fishing conditions, whether at sea, on a boat or from shore. Iridium Blue lenses are designed for very bright light, perfect for fishing at sea, on large Alpine lakes or in Spain. Yellow lenses are optimized for low light, ideal for dawn, dusk and overcast days. These glasses offer enhanced contrast, clear vision across the surface of the water and optimum comfort for extended sessions, even in the most demanding climates.