Costa Tuna Alley Ocearch 580G Matte Tiger Shark Frame Blue Mirror LensNamed after the legendary 15-mile stretch of sand cutting through the deep blue Bahamian waters where the Bluefin tuna migrate north, these Costa angler sunglasses are created to uncover and showcase the famous, underwater fish highway. With integral hinges, a patented vent system, polarized and made from tough-as-nails nylon, these men’s performance fishing sunglasses won’t be missing much. Costa’s 580G lenses are made from Lightwave glass, and feature encapsulated mirrors, making them scratch-proof. Additionally, the 580G lenses are 20% thinner and 22% lighter than average polarized glass.Costa believes in products with a purpose, and is proud to help support OCEARCH in its mission to protect the sharks that keep our ocean ecosystems balanced. The OCEARCH Collection helps fund research expeditions that generate critical data and put science on the side of sharks.Frame SizeLens Size ModelGenderFrame ColorLens ColorLens MaterialFrame Width (mm)Bridge Width (mm)Lens Width (mm)Lens Height (mm)Temple Arm Length (mm)Tuna AlleyMenTortoiseBlue Mirror580 Glass132.61161.541.8125