Birkenstock Arizona Girls' Footbed Sandal Sz 1.5 A true pioneer of laid-back comfort, the Arizona girls' footbed sandal from Birkenstock features the ultra lightweight EVA footbed with an anatomic shape, a roomy toe box, and a deep heel cup. Two waterproof straps with buckles provide an adjustable fit. Synthetic upper Slip-on w/dual buckle straps Birkenstock footbed EVA outsole