I just got this back from the good folks at Crocs
This is a rumor, said to have started with a camp counselor who boiled a Croc, and cut it into pieces, substituting the actual shoe with candy before he fed it to the camp children. Although Crocs are non-toxic, there is little, if any, nutritional value in the material we use. We highly recommend you do not eat or attempt to eat your Crocs.
Crocs Internet Services
Now we know.
"We highly recommend you do not eat your Crocs"