From Dansko, the Professional Leather Clogs feature: Leather upper APMA Seal of Acceptance Slip on closure Padded instep collar for comfort Leather-lined, breathable, single-density open-cell PU foam sockliner Contoured PU midsole provides arch support Protective heel counter allows the heel to move up and down freely while providing lateral stability PU outsole with a wide heel strike for stability Anti-fatigue rocker bottom promotes forward foot motion for shock absorption and energy return Approx. 0.75" platform height Approx. 2" heel height Imported.