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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 100% polarized and focused on performance. A trusted tool of any Angler looking for fishing Nirvana or a Voyager looking over the horizon.
All Costa lenses have 100% UV blockage for maximum protection and 100% polarization to kill reflected glare. Our 580 technology goes beyond polarization to produce the clearest lenses on the planet. Choose Glass for superior clarity and scratch resistance. Choose Plastic for a lightweight durable option.
Costa 580 lenses were designed by in-house light spectrum experts to enhance colours because standard sunglass lenses fell short. The lens’ multi-patented technology manages light by Absorbing Harmful High-Energy Blue Light (HEV) and cuts haze and blur for greater clarity.
In addition to 100% protection from UV light, 580 technology also absorbs HEV light known to cause macular degeneration, pterygium, cataracts and other eye diseases.
- 580G Lightwave Glass Lenses feature Superior Clarity and Scratch Resistance, are up to 20% thinner and 22% lighter than other polarized glass lenses. Glass provides the best clarity in Material and encapsulated mirrors (between the layers of glass) are Scratch-Proof.
- Green Mirror Lenses: Enhanced vision and contrast for fishing inshore and on flats.
- Silver Mirror Lenses: A good everyday choice for activities on the water and land.
- Blue Mirror Lenses: Perfect when on the open water. Optimal UV reflection.
- Comfortable X-Large Fit
- Integral Hinge
- Heavy-duty TR90 nylon frame
- Includes hard case and cleaning cloth
- 100% UV light blockage for max protection
- 100% polarization kills reflected glare and reduces eye strain
- Frame Fit: X-Large Fit
- Frame Width: 132.6mm
- Bridge Width: 14.4mm
- Lens Width: 63.2mm
- Lens Height: 42mm
- Temple Arm Length: 132mm