The BIRKENSTOCK Boston clog is a veritable classic that can easily be worn all year round. With its additional foam layer, the soft footbed offers extra comfort and pampers feet – all day long. The nature-inspired design is evident from the soft suede upper, which hugs the foot like second skin. Original anatomically shaped BIRKENSTOCK soft footbed. Upper: Suede. Footbed lining: Suede. Sole: EVA. Details: One strap with an individually adjustable metal pin buckle and soft footbed.