The BIRKENSTOCK Boston clog is a veritable classic that can easily be worn all year round. This version of the sandal plays with contrasts and color-blocking and features brand-new colors. The upper is made of ultra soft suede in combination with Birko-Flor. Anatomically shaped cork-latex footbed Upper: suede; Birko-Flor Footbed lining: suede Sole: EVA Details: one strap with an individually adjustable metal pin buckle