From Vionic, the Pismo Canvas Washable Slip-On Sneakers feature: Canvas soft upper Heel pull tab Stretch cotton laces slip-on styling fabric lining Removable mesh covered EVA footbed Durable rubber outsole machine washable  American Podiatric Medical Association Seal of Acceptance it is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support.   Imported.