A shock wave moves faster than the speed of sound. In a variety of frames and lenses, Calcutta's all-new Shock Wave sunglasses will make a powerful style statement no matter where your adventures take you. Features: 100% UV protection 1.0mm Triacetate (TAC) polarized lenses Fade-resistant frame Integrated hinge will stand up to repeated use Authentic Calcutta logo Specification: Lens : 59mm Weight : 68 g Color : Wood Grain Fade Frame/Blue Mirror Lens