From Dansko, the Professional Metallic Leather Clogs feature: Leather upper Patented stapled construction Roomy, reinforced  toe box allows toes to move comfortably with plenty of "wiggle room" Padded instep collar Slip on Fabric lining treated with anti-microbial for odor control Leather socklining for breathability Single-density open-cell PU foam footbed Inner frame provides added stability throughout Wide heel strike assists with stability Heel counter allows heel to move up and down freely while providing lateral stability PU rocker bottom promotes forward motion for shock absorption and energy return APMA Seal of Acceptance Approx. 2" heel height  Imported.