I envy your carefree life! Technically, you can keep on living it, too, because it is not illegal to drive barefoot in California—or any other state. Driving barefoot is not mentioned in any state legislation, but experts do have concerns when it comes to safety.
It sounds like you may have some experience in your back pocket, but even veteran barefoot drivers should consider these safety concerns the next time they get behind the wheel. You may want to start keeping some driving shoes in your car, just in case.