Iconic style complemented with the signature comfort, Birkenstock Arizona Birko-Flor Nubuck Sandals have the legendary 2-strap design. The upper is made from the skin-friendly, hard-wearing synthetic material Birko-Flor. Durable, synthetic upper material with a nubuck leather-like texture and a soft backing Contoured cork footbed conforms to the shape of your foot Lightweight EVA sole for cushioning and shock absorption Pronounced arch support Lined with suede Deep heel cup The deep heel cup cradles the heel and keeps your natural cushioning right under the heel bone. Longitudinal arch support The longitudinal arch support runs along the sides of the footbed, providing stability with each step. Transverse arch support The transverse arch support runs through the middle of the footbed, helping ensure proper alignment and a solid stance. Raised toe bar The raised toe bar encourages the natural gripping motion of your feet, exercises the legs and stimulates circulation. More toe room A roomy toe box allows toes to move more naturally, promoting better balance and correct foot alignment.