When you"re reeling in the big catch, the Costa Del Mar Stringer Polarized Sunglasses fight the glare off the water so you can concentrate on the monster fish at the end of your line. The Stringer fits snug and comfortably concentrating your attention to what"s on your line instead of what"s on your head. The Costa 580 glass lenses resist scratches when you haul in your catch-of-the-year and keep you looking good when you make the local paper.