COSTA BLACK FIN PRO MATTE BLACK W/ BLUE MIRROR 580G POLARIZED SOFT RACKS The F2 Alpha is an

The F2 Alpha is an extra-small sized thruster in the Neutral template category

Made from light weight durable brushed aluminium this style adds an extra edge to your sunglass game

With a name inspired by San Diego

Model name: Fantail

The addition of Carbon Fiber and Jute to the honeycomb construction

COSTA BLACK FIN PRO MATTE BLACK W/ BLUE MIRROR 580G POLARIZED SOFT RACKS The F2 Alpha is anAn 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