The BIRKENSTOCK Boston is a true classic that can be easily worn all year round. The Boston has legendary status thanks to its sophisticated, individually adjustable design. The upper is made of particularly soft suede, which hugs the foot like a second skin. The strap is made of extra-thick, oiled nubuck leather with an open selvedge finish. Anatomical footbed made of cork and latex. Upper: suede; oiled nubuck leather Insole lining: suede Sole: EVA Details: one strap with individually adjustable metal buckle “Made in Germany”