Birkenstock Arizona Papillio Flex Platform Black Leather Exquisite 39 N NWT SOLD OUT online A flexible platform sole takes the Arizona's classic design to new heights - and your style along with it. Fully wrapped in luxuriously smooth leather for a premium look, this Exquisite version instantly elevates any outfit with its tonal, street-inspired design. This Papillio By BIRKENSTOCK style rests on a contoured footbed designed to support you through it all.