The Birkenstock Boston in Black is a veritable classic clog that provides uber comfort. The classic footbed matches the oiled leather upper in comfort, style, and classiness, offering a glove-like fit, easy to be worn with or without socks all year round. The Birkenstock Boston has one strap to adjust the clog's fit.  - Birkenstock Boston Black - Standard/wide fit - Oiled leather upper - One strap with an individually adjustable metal pin buckle - Eva midsole - Original BIRKENSTOCK footbed; anatomically shaped - Rubber outsole -“Made in Germany”