It's illegal in most states to drive barefoot.
Either way, I don't do it. When I drive I slide my foot on and off the clutch pedal (pivot with my heel) and my foot is too grippy for that to work barefoot. In fact when I play
Gran Turismo with my pedals and steering wheel I can't do it barefoot either. I wear socks
I don't have much of a problem driving around in my flops, never seems to be an issue. However if I'm driving a long distance and know that I may encounter a lot of stop and go traffic then I'll wear sneakers instead.
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Current: 2023 GRC Circuit Edition, 2012 C63 AMG P31
Past: (2) 2000 MR2 Spyder, 2017 GTI Sport, 2006 Porsche Cayman S, Supercharged 2013 BRZ-L, 2007 Honda S2000, 1992 Integra GS-R