From Ryka, the Echo Mary Jane Casual Sneakers feature: Fabric upper Padded heel collar for extra cushioning Mary Jane strap with adjustable hook-and-loop closure Heel pull tab Fabric lining Anatomical insole with extra arch  and heel support and partially recycled EVA Lightweight EVA midsole with RE-ZORB® LITE for soft cushioning Sticky rubber outsole with tread grooves for extra traction with raised sidewalls for extra support WEIGHT: 210 g/7.5 oz per shoe HEEL-TO-TOE DROP: 8 mm Imported.