Birkenstock Women's Papillio Arizona 2-Strap Cork Footbed Platform, Black Birko-flor - 36 M EU / 5-5.5 2A(N) US Cork sole Synthetic Imported rubber-sole sole Birko-Flor upper Suede covered footbed Product Details" 1005074 " Product Description This white Birko-Flor upper with orthotic footbed provides excellent arch and metatarsal support. Durable EVA outsole, cork footbed molds to each individual foot to provide a custom fit.