The Z-Trail sandals from footwear maker Xero Shoes are true "barefoot" shoes. The sandals are so thin of sole, so minimal of strap, I routinely forget I'm wearing them. Which is the whole point: ...

Humans have engaged in endurance running for millions of years 1, but the modern running shoe was not invented until the 1970s. For most of human evolutionary history, runners were either barefoot or ...