The original Birkenstock Women's Arizona Classic Footbed Sandal celebrates more than 40 years of foot health. The two fully adjustable stone gray straps provide security while the original cork footbed molds to your feet and gives unparalleled support. Features:Upper Material: Birkibuc (synthetic) Sole Material: Classic EVA Footbed: Solid cork Arch Support: Maximum Made in Germany To ensure longevity use the Birkenstock Shoe Care Kit and Cork SealantNarrow: American width equivalent A-B