Slider sandals by birkenstockthe arizona two strap sandal in black comes with an adjustable strap and boasts a synthetic upper set upon a rubber sole for maximum grip the padded eva footbed gives an orthopaedic fit thats comfortable for walking black colourway synthetic upper eva sole please note this style has a narrow fitabout birkenstockthe mastery of shoe making and the devotion to bring style and comfort to the people have persisted from one generation to the next over many gene