The signature slip-on clog from BIRKENSTOCK - the Boston. A casual-wear staple, perfect year round. Featuring a simple, adjustable design and contoured cork footbed that forms to the shape of the foot, the Boston is a timeless and perennial favorite. This classic model comes in an especially cozy version with genuine shearling lining the footbed and the upper. The perfect shoe for cozy winter evenings! The upper is made from soft suede. Anatomically shaped cork-latex footbed Upper: suede Footbed lining: genuine shearling Sole: EVA Details: strap with an individually adjustable metal pin buckle “Made in Germany” **Has a small dark spot that was there when I received them. See pics