Experience outstanding comfort and protection with KOO Nova Sunglasses. Ultra-lightweight at only 21 grams and frameless aero-shaped single lens for the ultimate modern look. Enjoy ultimate high temple flexibility, grip and breaking resistance, superior field of vision, and anti-reflective, shatter-proof, and 100% UV protected lens by Zeiss®. Innovative interchangeable nose pad, uniform multilayer mirror coating and hydrophobic technology anti-drop keep your glasses secure and stylish, while the Asian nose bridge included in the packaging means perfect custom-fit.