Birko-Flor upper Soft felt lining Suede covered footbed Cork-latex midsole Built-in arch support The MAYARI birko-flor mocha toe sleeve sandal with an orthotic footbed provides excellent arch and metatarsal support. Durable EVA outsole, cork footbed molds to each individual foot to provide a custom fit. This BIRKENSTOCK sandal is a genuine classic, emphasizing the handcrafted and natural look of stylish sandals. A comfort legend and a fashion staple.