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Product DescriptionAt the right time of year, from this legendary 15-mile-long white strip of sand separating the deep blue Bahamian waters from the shallow bank of Gun Cay, you can spy tons of bluefin tuna migrating north. And with the Costa Del Mar Tuna Alley Sunglasses on - with their integral hinges, patented venting system, and tough-as-nails nylon frame material - you won't miss many!
Every pair of Costas features 100% polarized lenses, providing complete UVA, UVB, and UVC protection. Lifetime warranty against defects in materials and workmanship.
Costa 400 Lens
Made for anyone who lives on the water. Designed for adventure and built to perform with superior clarity, contrast, and definition. Durable 400G Lenses are made of LightWAVE glass that's 20% thinner and 22% lighter.
Blue Mirror Lens is made for the open water. Delivers maximum contrast and color in full sun while eliminating glare. Allows a minimal 10% light transmission.