BIRKENSTOCK AZ BLACK 9 | Synthetic sole Platform measures approximately 0.75 Anatomically shaped cork-latex footbed Upper: Birko-Flor / Footbed lining: suede / Sole: EVA. Details: two straps each with an individually adjustable metal pin buckle. Made in Germany. Upper: Birko-Flor is made of easy-to-care-for and hygienic PVC which has been lined on the inside with a soft breathable layer of fleece. This high-quality material is very gentle on the skin and it s comfortable while also being very durable. Footbed material: Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. The deep heel cup longitudinal arch support stability transverse arch support raised toe bar help circulation grip and toe. LM - AC