Description A strap, a buckle and a contoured cork footbed are masterfully combined to create the original Birkenstock sandal - the Madrid. This simple, iconic slide expresses the minimalist tradition that still guides BIRKENSTOCK design to this today. Offered here in a luxurious washed metallic leather. This finish has a subtle vintage look that can vary from shoe to shoe and intensifies with frequent wear. - Anatomically shaped cork-latex footbed - Upper: washed suede - Lining: suede - Sole: EVA - Details: individually adjustable metal pin buckle - Made in Germany Materials Insole: Suede The flexible leather lining, which is gentle on the skin, nestles up softly against your foot and adjusts to its contour. The open-pored and thus very breathable surface makes for a comfortable foot climate, even during more strenuous physical activity. Footbed material: Cork Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. Outsole: EVA EVA (ethylene vinyl acetate) is a high-quality, very light, elastic material with extremely good cushioning. As a result, it smooths out slight irregularities in the floor and ensures that every step is softly cushioned.