Birkenstock Siena exquisite suede Birkenstock size 40 “Allover Mink”. Excellent condition, like new. Style features simple crisscrossing straps and an Exquisite footbed - signature contoured cork/latex footbed wrapped entirely in high quality leather for a streamlined look with classic comfort and support. Upper: Suede Leather Lining: Suede Leather Sole No box. S2