A mate of mine who used to buy every gimmick/gadget/gismo going turned up at work in a pair, he got laughed out of the place!
However, he stuck with them & swears by 'em (for walking/jogging, but no serious running).
Barefootwise, didn't a certain mr Robert Graham recce most of his route barefoot? (It didn't seem to do Ms. Budd any harm either, plus she nailed Mary Decker, & she was wearing shoes!)
Would certainly save us all a bob-or-two is we didn't have to buy shoes!!!