Birkenstock Womens Madrid Mirror Silver Regular Fit Single Strap Sandals Size Manmade Synthetic sole 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. This is the regular fit model. Heel Height (cm):Flat Platform Height (cm):Flatcm Main Materials:Manmade