Costa Del Mar Blackfin Pro Sunglasses Frame Color:Matte Black Powerful strain relief secures cord

Powerful strain relief secures cord with stainless steel screws

Scale of reticle maintains the same ideally-sized appearance

For wicking and breathability

Increased air flow and reduced condensation through fly vent and low vent feature on the vestibule doors for more air flow while still providing vestibule coverage

Available with speed-clip suspender hook-ups

Costa Del Mar Blackfin Pro Sunglasses Frame Color:Matte Black Powerful strain relief secures cordAn 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