The Boston clog in black by Birkenstock has a closed toe and open heel. It comes in black, vegan nubuck leather and the typical cork sole. There is a buckle with the logo on the side.
The Birkenstock women's mules are true to size. The sole measures 2 cm.
Vegan Birko-Flor nubuck (independently tested)
Supplier reference: 1020550 black Boston BS
Web code: 21000100036