From FitFlop, the Super-Q Knit Slip On Laced Sneakers feature: Knit and textile upper Stretch collar Slip on Decorative stretch laces Back pull tab Textile lining iQushion™ midsole this Super-Q version in a new injected air-foam for extreme flex, lightness, cushion and bounce Anatomically contoured footbed diffuses pressure & gives natural arch support Slip-resistant rubber outsole Approx. 1.2" wedge height Imported.