An enhanced version of one of Costa’s 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 focus locked in.
Product Advantages
Premium Polarized 580 Lenses*
Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses.
Scratch Resistant and Durable
The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.
100% UV Protection
Your Costas absorb 100% of UV light, providing you the best in light management and protection.
Adjustable Nose Pads
Fully-adjustable, nonslip nose pads were designed to further customize your fit and help reduce fogging.
Size & Fit Guide


L
1. Frame Width: 136.2 mm
2. Bridge Width: 17 mm
3. Lens Width: 59 mm
4. Lens Height: 47.9 mm
5. Temple Arm Length: 140 mm
Regular Fitting
A large lens front designed to fit those with an average-sized head.

6 Base Curve – Medium Coverage
Frames with medium-coverage and wrap that value style but still perform.

Regular
Forgot Your Ruler?
Use this handy guide to gauge the fit you’re looking for.

All the Way?
You might be looking for a small or medium frame.

Last Two Pegs?
You might be looking for an x-large frame.

Middle Pegs?
You might be looking for a medium or large frame.
Lens details and technology
Green Mirror
Enhanced vision and contrast for fishing inshore and on flats.
- Copper Base
- 10% light transmission
Optimal usage
- Sight fishing in full sun
- High contrast

Costa 580® lenses
Costa 580® lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short.
The lens’ multipatented technology manages light by:
- Absorbing Harmful High-Energy Blue Light (HEV)
- Enhancing Reds, Greens, and Blues
- Filtering Out Harsh Yellow

580® lightwave glass

- C-Wall® Molecular Bond
- Glass Layer
- Encapuslated Mirror
- Polarized Film
- Glass Layer
- C-Wall® Molecular Bond

Superior clarity & Scratch-resistance
- Glass Provides The Best Clarity In Material
- Encapsulated Mirrors (Between Layers Of Glass) Are Scratch-Proof
- 20% Thinner And 22% Lighter Than Average Polarized Glass
What’s included:
- Blackfin PRO
- Costa Case
- Cleaning Cloth