From Birkenstock, the Gizeh Birkubuc Thing Sandals feature: Birkibuc™ upper made with acrylic and polyamide felt fibers, for a textured finish that looks and feels like velvety nubuck adjustable strap with buckle closure for a custom fit soft lining molded original Birkenstock footbed with pronounced arch support and roomy toe box flexible, lightweight EVA outsole for shock resistance and durability Imported. Styling Notes: Birkenstock footwear is made in European whole sizes. The style selected is a Birkenstock regular footbed that will fit most medium feet.