Can/do you run on concrete with those things? Seems like that would hurt.
What's the sizing like on these? Do you buy them small so they fit snuggly on your feet or what?
Read an interesting article on barefoot ultra-marathons. This back to barefoot craze sounds pretty legit. We were meant to run barefoot, despite what the shoe industry would like us to think.
Can/do you run on concrete with those things? Seems like that would hurt.