Men's > Accessories > Sunglassess COSTA BLACKFIN sku: 66739 Price $179.00 QTY Add To Cart + Add To Wishlist Description Size Chart Reviews 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 sun Comfortable large fit. 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. Plastic lenses are lightweight, impact- and scratch-resistant. Glass lenses have the greatest clarity and are scratch resistant. No size chart for this product.