I was thinking today, that this is possibly one of the most important philosophical questions of the twentieth century. If we wash them inside out, there's probably a better chance of getting out all the germs, sweat, oil, bacteria and other Fun Foot Stuff (tm). However, washing them in the same configuration you wear them (i.e. outside out) of course would clean off all the garbage you've picked up on the undersides when walking around.
So what do YOU do?
So what do YOU do?