The BIRKENSTOCK Boston is a true classic that can be worn easily all year round. The Boston has legendary status thanks to its sophisticated and individually adjustable design. The upper is made of particularly soft suede that hugs the foot like a second skin. The strap is made of extra thick oiled nubuck leather with a raw edge finish. Anatomically shaped cork-latex insole. Upper: suede; oiled nubuck leather. Insole lining: suede. Sole: EVA. Details: one strap with an individually adjustable metal buckle. "Germany". This classic clog is designed for year-round wear. The adaptable strap and strong metal buckle, along with an anatomically shaped cork-latex footbed that moulds to your feet for the perfect fit, make these clogs comfortable for all foot types. With a premium suede upper that's flexible and soft. Stylish, practical and comfortable all summer long.