For size 6 & 6.5, please refer to size guide and select size using your typical Euro size. The Arizona Two Strap sandal comes with two adjustable straps and boasts a durable Birko Flor upper, set upon a premium cork sole for maximum grip. The foam cushioned footbed gives an orthopaedic fit that's comfortable for walking. Colour: Black. Upper: Leather. Lining: Cork. Outsole: EVA. Available sizes: 3.5,4.5,5,7,7.5. BIRKENSTOCK Sandals ARIZONA Available in women's sizes. by BIRKENSTOCK. Here is one of the most successful sandals designed by Birkenstock! Wear them with your favourite pair of jeans for a modern and casual look.