These truly are like walking barefoot, but with light support and protection from the environment. When I first put them on I was afraid the heel was slipping, but then I realized it was only because they're soft and I'm used to hard shoes that grip. You can tighten the little "bungee" cord if you need to, it keeps the shoes more secure.  And, you can also loosen the cord if you have a higher top to your foot. :-)  I get lots of compliments when I were these, and I'm comfortable all day.