DANSKO. 106-077878. PROFESSIONAL. BROWN BURNISHED NUBUCK. 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.