Customer Reviews for Costa™ Blackfin 580 Polarized Sunglasses

Large fit Integral hinges100% protection from UV A, B, and C rays100% polarizationWater-repellent and anti-reflective coatingsManufacturer's limited lifetime warrantyThe Blackfin's frame features a large fit with integral hinges. Each pair of Costa's Blackfin 580 Polarized sunglasses features 100% protection from UV A, B, and C rays, 100% polarization, water-repellent coating, and anti-reflective coating. The Blackfin's mirrored lenses are made of top-quality optical glass. Manufacturer's limited lifetime warranty. How to choose your Costa lenses: Heighten your visual acuity with a lens color that suits your outdoor needs. Blue Mirror: for offshore fishing and most watersports in bright sun conditions. Green Mirror: for inshore and freshwater fishing in variable conditions. Costa 580™ TechnologyYellow light is the enemy. The patented Costa 580 lenses incorporate an advanced filtering compound into the lens material that reduces yellow light. This delivers enhanced colors and better visual acuity in all conditions. It's embedded in the lens, which means it's warrantied for the life of the glasses. All 580 lenses are Costa's LightWAVE glass.