In some ways, walking barefoot is better for the body than wearing deeply cushioned soles, Lieberman says. But he insists he is not antifootwear: "I'm not saying people shouldn't wear shoes
I'm hearing from hippies and supposed scientific studies that walking barefoot foot on the outside ground provides health benefits because you absorb energy that's present in the ground. The idea/movement is called "grounding" or "earthing". Seems like bullshit at first glance but I haven't looked into it much.