How well a cycling shoe fits has a dramatic effect on rider performance. I spend a lot of time looking at the bare feet of clients and there is a massive variety of shape, proportion and function out there. So much so, that it is surprising that as many people achieve a good fit in mass production cycling shoes as they do. That doesn’t mean that there aren’t multiple factors that affect how well a cycling shoe fits. This article will be an attempt to outline and explain what those factors are. (If the article isn’t displayed below, please click here.)