Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses.
Your Costas absorb 100% of UV light, providing you the best in light management and protection.
The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.
Introducing Tailfin - a modernized classic Costa design built for all waterman who require a clear view of their surroundings. Our Bio-Resin frame boasts refined and chiseled edges, complemented by features that help you stay comfortable and sweat-free, with your destination clearly in-sight. Offering two size options, both those with bigger and smaller heads can embark on their watery adventures fully equipped. No matter where you’re going, we built the Tailfin to help you get there — and maximize every moment spent on the water.


| S | M |
|---|---|
| 1. Frame Width: 126 mm | 1. Frame Width: 132 mm |
| 2. Bridge Width: 17 mm | 2. Bridge Width: 17 mm |
| 3. Lens Width: 57 mm | 3. Lens Width: 60 mm |
| 4. Lens Height: 39.1 mm | 4. Lens Height: 41.4 mm |
| 5. Temple Arm Length: 135 mm | 5. Temple Arm Length: 135 mm |
A large lens front designed to fit those with an average-sized head.

Frames with maximum-coverage and wrap that help reduce light leak.

Use this handy guide to gauge the fit you're looking for.

You might be looking for a small or medium frame.

You might be looking for a medium or large frame.

You might be looking for an x-large frame.
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:




U.S. PATENT NO. 6.334.680
U.S. PATENT NO. 6.604.824


U.S. PATENT NO. 7.506.977


