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Product DescriptionHoning your technique is the key to mastering fly fishing - and also how we approach the craft of making sunglasses. That's why these sport frames have patented vents on the side to make sure that, when things heat up, your lenses stay crystal-clear. And even when the wind's blowing, their integral hinges will keep them steady and in place.
Each pair of Costas features 100% polarized lenses, providing complete UVA, UVB, and UVC protection. Lifetime warranty against defects in materials and workmanship.
Costa 580 Lens
Yellow light is the enemy on the water and on land. It's hard for the eye to process, and changes how you see the world. Costa 580 Lenses cut down on yellow light, allowing the eye to see more red, blue, and green. The result is purer vision with unmatched contrast, definition, and colors. 580P Lenses are made of lightweight plastic and provide excellent impact and scratch-resistance. 580G Lenses are made from scratch-resistant glass and offer the greatest clarity.
Sunrise Lens enhances depth perception and allows maximum light transmission, so that you can see through the water more clearly in early morning or late afternoon, when outside light is low.