DescriptionYou 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.FeaturesComfortable 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