Built for ultimate anti-slip protection, the Costa Del Mar Men's Blackfin Wrap Sunglasses have Hydrolite co-injected lining, meaning super-flexible frame with serious comfort. This high-performance eyewear not only boasts 100% UV light blockage, but 100% polarization that kills glare and reduces eye strain. The Blackfin features a large, comfortable fit, integral hinge, and heavy-duty TR-90 nylon frame. Plastic lenses are lightweight, impact- and scratch-resistant. Glass lenses have the best clarity and are scratch-resistant. Also includes a hard case and prescription ready. Built by hand and backed for life, each pair of Costas comes with a lifetime vendor warranty. Style: Shiny Black Frame/580P Blue Mirror Lens. Imported.