Finding shoes that fit sounds like it should be one of the easiest things in the world. After all, you know your shoe size, right? Well…maybe. I’ve bought plenty of shoes based on the size printed inside the box, only to discover that the shoes and my feet apparently had very different ideas about what “size 8” meant. One pair pinched my toes, another slipped at the heel, and another seemed perfectly comfortable in the store but became a completely different creature after an hour of walking. The truth is that finding shoes that fit properly is about much more…