Footbed sandals by Birkenstock This classic Birkenstock footbed sandal is made from cork with a brown synthetic leather strap. The cork sole is contoured which helps support the natural shape and structure of the foot.  - Brown synthetic upper - Cork and natural latex sole - Suede lining - Buckle fastening strap - Regular Fit About Birkenstock “The mastery of shoe making and the devotion to bring style and comfort to the people have persisted from one generation to the next” Over many generations, the Birkenstock company has gathered extensive knowledge in the area of foot health. This knowledge and experience is the foundation of their proven, high quality Birkenstock sandals and shoes.