Costa Blackfin Pro Sunglasses - Matte Gray ep offshore mackerel Machined aluminum and Type II

Machined aluminum and Type II anodized hardware

Front drop-down has zippered pocket with elastic mesh slip pockets

And the new heat tempered coating seals out dirt and oils while maintaining an exceptionally low friction coefficient

or if full sinking are a dark gray color

Costa Blackfin Pro Sunglasses - Matte Gray ep offshore mackerel Machined aluminum and Type IICosta Blackfin Pro Sunglasses with Large Wide, Matte Gray 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.