A must for warm weather fun; the Essentials Arizona Footbed Sandal from Birkenstock. EVA foam upper in a footbed sandal style with an open toe. Slip on entry with adjustable buckle closure straps. Buckle hardware detailing. Soft lining with a contoured foam cushioned comfort footbed. Supportive shock absorbing midsole. Flexible traction outsole. All Arizona colorways are produced and shipped in a Birkenstock narrow width because they run wide; Birkenstock narrows fit like US Women's medium..