From Dansko, the XP 2.0 Iridescent Leather Clogs feature: Iridescent leather upper Patented stapled construction for durability Accommodates most standard and custom orthotics Slip-on styling Padded instep collar for extra comfort when walking Roomy, reinforced toe box allows toes to move comfortably with plenty of "wiggle room" Heel counter allows heel to move up and down freely while providing lateral stability Textile lining treated with anti-microbial for odor control Removable energy-return dual-density PU footbed with Dansko Natural Arch® technology for all-day comfort and support. Memory foam for added cushioning Lightweight EVA midsole Patented slip-resistant rubber outsole suitable for dry, wet, and oily/wet surfaces Wide heel strike assist with stability Approx. 1.75" heel height APMA Seal of Acceptance Imported.