Birkenstock Boston Clogs. Tiny icon, classic comfort. The Boston clog is reimagined for kids in classic suede, with an adjustable buckle for just the right fit. Designed on an original contoured footbed, these clogs unlock play-all-day fun in just their style. Contoured footbed for legendary BIRKENSTOCK® support. Classic suede upper. Suede footbed lining helps keep you comfortable. Flexible EVA sole. Adjustable strap with metal pin buckle. Imported.