There are a lot of neophytes out there (99% of the population) who know nothing about shoes or their construction.
It is common to see these confused (though I am sure, well-intentioned) souls refer to leather soles as wood soles.
They may have read, for example, the words 'oak bark tanned soles' and concluded the soles were made from oak.
Clearly they know nothing of either shoes or wood for that matter. Once in awhile this even works to a buyers advantage when the seller doesn't understand what they are selling.
Therefore,.......erm....what was this thread about again?