Costa Blackfin Pro Sunglasses PS22 Ring allows for consistent tension

Ring allows for consistent tension in palmering

All on one fly line

Try the Intermediate

and a 100% recycled plastic outer shell

Costa Blackfin Pro Sunglasses PS22 Ring allows for consistent tensionAn 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