A strap, a buckle and a contoured cork footbed are simply, but masterfully, combined to create the original Birkenstock sandal - the Madrid. This simple, iconic slide is still the purest expression of the minimalist tradition that guides Birkenstock design to this today. Birko-Flor – durable, synthetic upper material with leather-like finish and soft backing Contoured cork footbed conforms to the shape of your foot and features pronounced arch support, a deep heel cup, and roomy toe box, lined with suede Lightweight EVA sole for cushioning and shock absorption Avoid extreme heat Heel shape: flat Made in Germany