From Ryka, the Women's Era Knit Slip On Washable Sneakers feature: Engineered stretchy ribbed knit upper for added flexibility Padded heel collar for extra cushioning Slip on fit with heel pull tab for easy on/off Fabric lining Anatomical insole with extra arch and heel support  with partially recycled EVA ACTIVfoam EVA midsole for soft cushioning Molded rubber outsole with raised sidewalls in the midfoot for extra support Machine wash on cold and air dry Approx. 0.75" heel height WEIGHT: 210g/7.4 oz per shoe HEEL-TO-TOE DROP: 10mm Imported.