They take their name from the Zane Grey reef, one of the most prolific fisheries in the world. And they're ready to go as soon as you are with co-molded hydrolite temples that hold tighter the more you sweat. Sleek styling in a hardcore frame, that's what you get with Zane. Available in frames and lenses as shown below.COSTA MIRROR 580 TECHNOLOGY - High-tech. High-Performance. The ultimate lens. Yellow light is the enemy. It's hard for the eye to process and changes how you see the world. Not with a pair of 580s on. These patent-packed lenses raise the red, blue and green areas to amazing levels, while eliminating much of the yellow light. The result is purer vision, deeper colors and sharper contrast. Costa 580 lenses are available in gray, copper, blue and green mirrors, making them the perfect choice for any conditions.Costa's proprietary 580P TECHNOLOGY in impact resistant, lightweight, optical quality PC. Ophthalmic quality injection molded PC lens, Virtually unbreakable, Clarity & Color enhancement of the 580 Glass lens, Lightweight, Enhanced coatings to reduce scratching and enhance lens performance, 580 performance at a lower retail price!