The BIRKENSTOCK Siena boasts a refined appearance. Crossed straps give the sandal its unique and special look. This popular sandal has been given an update in a new material, with a vegan version now available. It is entirely free of animal products, as verified by independent testing laboratories. The color-coordinated buckles with a textile feel and a matte design as well as the color-coordinated outsole are additional eye-catchers. The upper is made from a soft fabric. Anatomical cork-latex sole Upper: fabric Lining of the footbed: microfiber Sole: EVA Details: two straps, one with an individually adjustable metal buckle; vegan; color coordinated details "Made in Allemagne