You will cut glare and protect your eyes the moment you slide into the Costa Del Mar Blackfin sunglasses, built for long days under bright sun.
You enjoy precise field vision thanks to a 61.8 mm lens width, 40.9 mm height, and 17 mm bridge that track your movement without shifting.
You block harmful UV light and water reflections with blue mirror polarized polycarbonate lenses that maintain optical clarity during fishing or driving.
You rely on molded bio resin construction to hold the matte black full-rim design steady across temperatures that warp cheaper plastics.
You secure these unisex frames comfortably using the specified 120 mm arm length paired with a squared rectangular profile.
