The BIRKENSTOCK Arizona sandal is known for its excellent fit and a very casual and natural design. This is thanks to the enveloping and particularly soft suede leather upper that hugs the foot like a second skin. The comfortable Soft Footbed provides exceptional comfort. Original BIRKENSTOCK Soft Footbed; anatomical shape. Upper: suede leather Footbed lining: suede leather Sole: EVA. Details: individually adjustable metal buckles.