Costa Del Mar Blackfin Pro Sunglasses Frame Color:Matte Black Waterproof closure: Roll-top closure features

Waterproof closure: Roll-top closure features a wrinkle-free stiffening strip to ensure a secure seal when closing the dry sack

External and Internal Front

which means it only gets better over time

and a self-bailing design to keep you above the water by automatically draining water from the boat via the combination of the inflatable floor and drain-holes

Costa Del Mar Blackfin Pro Sunglasses Frame Color:Matte Black Waterproof closure: Roll-top closure featuresAn enhanced version of one of Costas most trusted and well loved frames, the Blackfin PRO builds off the original look, polarized lens and fit with six new angler approved additions to keep you on the water longer. Along with a vented and fully adjustable nose pad for a custom fit, sweat channels and eyewire drains will help keep your vision clear, while side shields, hooding, new stickier Hydrolite and metal keeper slots keep your frames and your