The Boston clog, a classic Birkenstock model, is presented here in a particularly cozy version made from high-quality suede. The natural lambskin insole and lambskin-lined straps create an extraordinary look and ensure warm feet.- Anatomically shaped cork-latex footbed- Upper: suede with lambskin lining- Insole: lambskin- Sole: EVA- Details: lambskin, individually adjustable metal pin buckle Birkenstock Birkenstock boston shearling suede leather fur