The Volcano sunglasses by Dirty Dog are a cool and modern rectangular silhouette that offers unbeatable comfort and durability. This satin black frame has been crafted with a premium TR90 Grilamide, a cutting-edge thermoplastic polyamide that provides a flexible and lightweight construction that will effortlessly bounce back to its original shape to ensure it stands the test of time. The fitted brown polarised polycarbonate lenses are scratch-resistant and help shield your eyes from unwanted surface glare that can cause eye strain and fatigue.