Costa Del Mar Cayan 580P Polarized SunglassesCosta Del Mar Cayan 580P Polarized Sunglasses will take your fishing experience to the next level! If you like the framless look then the Cayan is perfect! Because of the design, these sunglasses are exteremely light in weight. The arms and the nose piece are constructed of TR 90 nylon that has been infused with Hydrolite. This makes them extremely rugged and they won't slip off your face, even in a heavy rain! The 580P polarized lenses give you