Costa Blackfin Pro Sunglasses - Matte Midnight Color:Blue Mirror • Magnetic spring never wears

• Magnetic spring never wears out

Great new size addition to the Super Slim fly boxes

higher floating

The cork acts as a compression material to ensure a smooth drag transition while the carbon fiber delivers market-leading overall smoothness

- Multi-purpose tool handles many tasks

Costa Blackfin Pro Sunglasses - Matte Midnight Color:Blue Mirror • Magnetic spring never wearsCosta Blackfin Pro Sunglasses with Large Wide, Matte Midnight Blue Frame. The enhanced Blackfin PRO builds off the original look and fit with angler approved designs to keep you on the water longer. The vented and fully adjustable nose pad provides a custom fit. Sweat channels and eyewire drains will help keep your vision clear. And side shields, hooding, new stickier Hydrolite and metal keeper slots keep your frames and your focus locked in on fish.