Get more out of every outing with the Mephisto Sano Stardust sneaker. Delivering all-day comfort, this women's walking shoe has a premium leather upper with a lightly padded topline and standard lace closure, but the real performance is inside. Mephisto's Sano Technology includes an Integrated Power Stimulator (IPS) to minimize the shock from every step and a Multi Vibration System designed to help stimulate muscle activity. The Air-Techno insole of the Mephisto Sano Stardust walking sneaker can be removed and replaced. Material: Leather, Rubber.