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.

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