The Madrid sandals are BIRKENSTOCK’s oldest model and a true fashion classic. These simple single-strap sandals feature a smooth upper crafted from brand’s unique Birko-Flor® material and an ergonomic footbed with suede lining. Adjustable fitUpper made of Birko-Flor® - a durable and easy-to-clean synthetic alternative to leatherAnatomically shaped cork-latex footbed with suede liningSole made from EVA foam