Costa Del Mar Tuna Alley 9009 SunglassesThis Costa del mar tuna alley 9009 sunglasses pair is high tech and high performance, with an ultimate lens for men. These patent packed lenses raise the red, blue and green areas, eliminating much of the yellow light, leading to purer vision, deeper colors and sharper contrast. Sturdy material (acetate) rectangular shape frame with regular hinges for extreme comfort and lightweight feeling. The lens is available in grey with a white frame.