Black Stegeman wool clogs

Stegmann wool clogs. Not sure of the size and I couldn’t locate a tag. Compared to my size 39 Birkenstocks (see third photo) they are a little longer. The back is the Birkenstock clogs are right up to the back of my foot; I can fit my pinkie finger between the back of my foot any the clog. Thus the reason I’m listing these.