Available online only. The Dansko Professional is the clog that launched a Comfort Revolution. Inside its iconic silhouette is a roomy reinforced toe box, an anatomically contoured PU midsole, an inner frame for stability and support, a padded instep collar, and a protective heel counter that allows the heel to move up and down freely while providing lateral stability. The anti-fatigue rocker bottom assists with forward motion while walking to add hours of comfortable support throughout your day. Protective heel counter allows the heel to move up and down freely while providing lateral stability Padded instep collar for extra comfort Leather uppers. Nubuck treated 3M Scotchgard™ protector for stain resistance Roomy reinforced toe box allows toes to move comfortably with plenty of "wiggle room" Leather-lined, breathable, single-density open cell PU foam sockliner Contoured PU midsole provides arch support Inner frame provides stability PU outsole with a wide heel strike for stability Anti-fatigue rocker bottom promotes forward foot motion for shock absorption and energy return