BlackfinWant to try on Costas? Find a dealer
You might have gallons of brine in your face and 600 pounds on your hook, but these sunglasses still won't slip. The Hydrolite™ co-injected lining takes care of that, and the flexible frame means serious comfort. Blackfin pushes the edge in sunglass performance--so you can push it everywhere else.
- Comfortable large fit.
- Stainless steel integral hinge.
- Heavy-duty TR 90 nylon frame.
- Includes hard case.
- 100% UV light blockage for max protection.
- 100% polarization kills reflected glare and reduces eye strain.
- Built by hand and backed for life. Every pair of Costas include a lifetime warranty.
- Plastic lenses are lightweight, impact- and scratch-resistant.
- Glass lenses have the greatest clarity and are scratch resistant.
- This style is prescription ready, click here to learn more about Costa prescriptions.