Unit: Anatomically shaped cork-latex footbed with shearling lining | Upper: Suede | Inner Sole: Genuine shearling | Outer Sole: EVA | Details: lambswool-lined straps with two individually adjustable metal pin buckles | Care: Avoid extreme heat and fully immersing in water. Brush the surface with the Birkenstock Care brush to remove dirt. The cork sole can be sealed with a Cork Sealant Balm to protect and keep cork from drying out. The smooth leather sole can be treated with a leather balm | Warranty: Guaranteed against faulty workmanship or defective materials for 6 months from date of purchase. Does not cover normal wear and tear and negligence or misuse of the product. Please note care instructions.