From Ryka, the Women's Viv Max Fabric Lace Up Platform Sneakers feature: Soft fabric upper Padded collar Lace up front for a secure fit Synthetic lining Anatomical insole with extra arch support and heel support  QMassage bumps for extra comfort Durable molded rubber platform cupsole with Pivot Point under the ball of the foot for easy twists and turns Approx. 1.375" platform height Weight: 380 g/13.4 oz per shoe Heel-to-toe drop: 13.5 mm Imported.