Klogs Madrid Shoes - This versatile clog features a full-grain leather upper withand adjustable buckle for perfect a perfect fit and a cut-out design that adds a hint of chic. Slip last construction, all that's under foot is our polyether polyurethane; no insole board equals greater "WOW" Komfort. Full grain upper leather, offers exceptional quality and long wear; Polyurethane outsoles are slip resistant, non-marking and shock absorbing for an all day "WOW" Komfort experience! 1-3/4 inch heel.