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 material: Material combination For this shoe, a combination of materials was used. You can find more information on our main materials in our Material Guide. Insole: Natural leather Footbed material: Cork Outsole: EVA