Birkenstock "Bakki" Dyed Shearling Ankle Boots Particularly suitable when it’s time for new favorite shoes: these cozy winter ankle boots from Birkenstock. The model is equipped with warm, moisture-regulating lambskin lining. The roughened surface of the suede provides a special look and also offers improved breathability than smooth leather. The footbed is ergonomically pre-shaped and challenges and supports the foot. - Ergonomically shaped insoles - Reinforced in the heel area Brand New with Tags No box Birkenstock Size 36 = U.S. Size 5.5