Costa Del Mar Blackfin 580G - Matte Black/Green Mirror

The Costa Del Mar Blackfin is a premium inshore fishing frame with 580G glass lenses that deliver the sharpest, most distortion-free view available from any polarized sunglass on the market. Designed for stalking redfish in the shallows, reading tidal flats, and sight-fishing in gin-clear water, the Blackfin gives anglers the optical edge that makes the difference between a catch and a story. Its durable, lightweight bio-based frame is built to handle years of saltwater punishment.

• 580G glass polarized lenses for ultimate clarity and scratch resistance
• Green mirror coating for inshore flats and shallow water
• Bio-based plastic frame with hydrolite grip
• Corrosion-resistant stainless steel hinges