Named in homage to the mangrove-lined, estuary Magdalena Bay in Baja, California that has some of the best sport fishing anywhere, the Costa Mag Bay sunglasses are large-fit and ready for larger-than-life adventures, these Costa men's sunglasses are polarized and focused on performance. A trusted tool of any Angler looking for fishing Nirvana or a Voyager looking over the horizon.
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.
Blue Mirror
Best for bright, full-sun situations on the open water and offshore.
- Gray Base
- 10% light transmission
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Optimal usage
- Boating and fishing in deep water
- Open reflective water
- Harsh sun
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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
