Slider sandals by birkenstockthe arizona two strap sandal in navy 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 navy colourway synthetic upper eva soleabout 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 generations the birkenstock company has gather