Other than the beach, I have seen 2 women in my life go into a public restroom barefoot. It was at a university festival. One woman went from the festival outside into a campus building barefoot to use the restroom. Another one was in the university library. She did not care to slip her shoes back on to use the restroom. I took a quick snapshot to remember the moment.

Also Britney Spears several years back made it into the gossip news that she went into a restroom barefoot. They made a big deal about. Sexy or not? You decide.

For me, hugely sexy. I often see women do this at the beach here in the UK and overseas.
Also massively sexy is when they do it at nightclubs after dancing barefoot (and then ideally, walking home barefoot too).
Just seems so reckless.
There was an instance a few years ago on CF when Luba used a portable loo while barefoot.
There's a hint too in the latest update from Tatiana that she's used the restroom barefoot though we see nothing on video (not surprisingly maybe)
http://www.city-feet.com/images/get/large/99128.jpg
Anyway, given the poll results above it suggests we all would love to see more public restroom (loo) use by our wonderful models.
Incidentally I'd like to spice CF up a bit with some public alcohol drinking, adding a touch more abandon to the vibe of the shoots.
Otherwise CF hitting a real purple patch recently after something of a slump middle of last year.
Mike123.

One of the sexiest models, Ksenia http://www.city-feet.com/models/165/view, did so, it was one of those "port-o-lets" that Russia seems to have plenty of...she came out of it with her soles even dirtier...and she proudly displayed them.