There are many barefoot shoes that have either conductive materials for grounding, or full leather soles. Here are a few options:
Earth Runners - [sc name="earthrunners-code"] for 10% off
FeelBarefoot - [sc name="feelbarefoot"] for 35% off regular price
Earthing Moccasins - [sc name="earthing-moccasins"] for 10% off
Peracles
Bahe - [sc name="bahe"] for 10% off
Click here for more options on the Barefoot Shoe Finder