Papillio® by BIRKENSTOCK Arizona Flex Platform size 40 purple I've only worn these inside the house for several days A flexible platform sole takes the Arizona sandal's classic design to new heights—and your style along with it. Smooth Birkibuc® and a microfiber footbed lining gives you an elevated vegan option that stands out. This Papillio® by BIRKENSTOCK® style rests on a contoured footbed that puts your comfort above the rest. Contoured footbed for the ultimate in support Birkibuc® synthetic upper Microfiber footbed lining Platform EVA sole; 25 mm Two straps with adjustable metal pin buckle Footbed made in Germany