From Ryka, the Women's Vibrant Washable Chukka Platform Ankle Booties feature: Fabric upper with padded collar Lace up styling with zipper closure for easy on/off Fabric lining Anatomical insole with extra arch and heel support with QMassage bumps for extra comfort Durable molded rubber cupsole outsole Machine wash on cold and air dry Approx. 1.375" platform height WEIGHT: 320g/11.3oz per shoe HEEL-TO-TOE DROP: 10mm Imported.