For those who bleed saltwater, Costa's Brine sunglasses are one of the most useful fishing tools in any tackle box. Hydrolite temples, co-injected, co-molding technology, and the storied 580P 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. You might have gallons of brine in your face and 600 pounds on your hook but these sunglasses still won't slip. Brine pushes the edge in sunglass performance, so you can push it everywhere else. This particular Brine setup features Matte Black polymer frames and Polarized, Blue Mirror 580P Poly Carbonate lenses that will give enhance vision in an reflective open water environment. The 580P lenses provide a C-Wall scratch resistant coating and are the lightest lens option for your eyewear.