Should I just stick them up here? Yeah, put your feet up there. Oh my gosh, Jesus.

Man. That is disturbing.

Hey folks, Outside In Host Sam Evans Brown here.

People like having their feet on display like flip-flops make me uncomfortable

you know so this is like magnified version of that

but they're not your feet aren't on display. That's the irony.

But it's like it's like they are though. It's like I know where your toes are. They look like robot feet but their feet.

And I'm producer Jimmy Gutierrez. To me it was like it was a more practical thing.

It's like I don't think they do what they say they do.

And this is senior producer Taylor Quimby.

So if you were even a casual runner in 2010, there's no way that you didn't hear a

version of this story. Should we say goodbye to the thick padded running sneakers

and hello to these funny-looking shoes.

Do you feel lighter?

I really feel like my turnover, my feet is faster.

It's easier to get uphill.

The barefoot running movement was a certifiable fitness craze.

And the symbol of this revolution was the vibram five fingers,

which you may remember as the infamous toe shoes, which I have been running in since 2009.

In fact, I have them on right now. So gross.

Harvard researchers studied barefoot runners in Kenya

and found the intensity of impact

...