Birkenstock Boston Clogs. So classic and consistently comfortable, the Boston clog has become a coveted, year-round favorite. Soft suede lends an effortless feel to the style, with a geometric print on the footbed liner for a surprise pop. Complete with an original contoured footbed that'll feel uniquely yours wherever you wear it. Contoured footbed for legendary BIRKENSTOCK® support. Classic suede upper. Printed microfiber footbed lining. EVA sole is flexible and lightweight. Adjustable strap with metal pin buckle. Imported.