The Nike 7246 features an Acetate frame design for premium quality and durability. The frame comes with Solid temple colorations with pop color accents and sneaker tread pattern. Spring hinges for comfort and durability and Metal Nike swoosh logo plaque. This product offers our standard high quality, distortion-free SF-6 Schott Glass Radiation-reducing lenses with .75mm lead equivalency. The Model RG-NI-7246 fits best for Small to Medium head sizes.