Wet your foot, stand on a paving slab, look at the print. A full print means flat feet and you need stability shoes. A thin sliver means high arches and you need cushioning. That test has been repeated in shops and magazines for thirty years, and the research of the last decade has been fairly unkind to it.
It is not that arch height means nothing. It is that it turns out to be a poor predictor of which shoe you will run well in, and an even poorer predictor of whether you will get injured. So before deciding between cushioned and stability running shoes, it helps to know what the two categories actually are and what the evidence does and does not say.
What the two categories actually are
A cushioned shoe, usually labelled neutral, is built symmetrically. The foam under the arch side is the same as the foam under the outside edge, and the shoe lets the foot do whatever it does. Cushioning level is a separate question entirely; you can have a firm neutral shoe or a very soft one.
A stability shoe adds something to resist the foot rolling inwards. Historically that meant a medial post, a wedge of firmer foam on the arch side that compresses less than the rest. Modern designs more often use a wider base, sidewalls or guide rails that sit either side of the heel and only engage when the foot moves beyond a certain point. The newer approach is less like a corrective wedge and more like a handrail.
The rolling-inwards motion is pronation, and it is worth being clear that pronation is normal. It is how the foot absorbs impact. The term used in shops is overpronation, meaning more inward roll, or faster inward roll, than is typical. Everybody pronates. Nobody should be sold a shoe on the basis that they need to stop.
Myth: pronation control prevents injuries
This was the industry's working model for decades. Assess the foot, classify the runner, prescribe the matching category, reduce injury. It is a tidy theory and it made intuitive sense.
The trouble is that when researchers tested it properly, by assigning runners to shoes at random and following them, the prescriptive model did not hold up well. Studies through the 2010s repeatedly failed to show that matching shoe category to arch height or measured pronation reduced injury rates in the way the model predicted. Some found no benefit at all. The strongest available conclusion is that a wet footprint test is not a diagnosis.
There is a fair counterpoint, and anyone who has stood behind a counter for years will have seen it. Plenty of runners have spent a decade in stability shoes, are perfectly happy, and get sore when they try something neutral. That experience is real. It just may be telling you about what those legs are conditioned for rather than about arch geometry. Either way, the practical advice is the same: if something is working, do not let a magazine article talk you out of it.
Reality: comfort and habitual motion path predict better
Two ideas have held up considerably better than the old model.
The comfort filter. Given a set of shoes, runners tend to do best in the one that felt most comfortable from the start. Not the softest, and not the one with the best marketing story, but the one that felt unremarkable straight away. It is a slightly deflating conclusion, because it means the best measuring instrument available is your own foot on a treadmill for five minutes.
Habitual motion path. The suggestion here is that each runner has a movement pattern their body has settled into, and a shoe that lets them keep using it is better tolerated than one that forces a change. That reframes stability features usefully. They are not there to correct anyone. They are there because some runners feel steadier with a bit of structure under them, particularly late in a long run when everything gets sloppier.
Neither idea gives you a number to put on a spec sheet, which is exactly why the old test survived so long.
Making the call
Stripped of the theory, choosing between cushioned vs stability running shoes comes down to three things: history, comfort and a second opinion.
Start neutral unless there is a reason not to. Most runners get on fine with a cushioned neutral running shoe, and it is the sensible default when nothing in your history points elsewhere.
Consider trying stability if you have a long, comfortable history in that category, if your ankles feel like they wander at the end of long runs, or if you have had repeated inner-shin or inner-knee irritation and a physiotherapist has suggested structure is worth a look. Those are reasons. A footprint on a paving slab is not.
Whatever the category, judge on the run. Run in them, on a treadmill or up and down the shop, for long enough to have an opinion. If a shoe needs breaking in before it stops rubbing or pinching, it is the wrong shoe; running shoes should feel right in the first mile. Also check the fit while standing, with about a thumb's width in front of the longest toe, and remember feet swell over a long run.
Get someone to watch you run if you can. A gait analysis or a proper in-store fitting will tell you more in ten minutes than any online questionnaire, mostly because it removes the guessing. Bring your current shoes with you; the wear pattern and the state of the midsole tell an experienced fitter plenty.
And once you have found something that works, buy it again. Loyalty to a shoe that suits you is worth more than chasing whichever model is currently being talked about, and it leaves you free to spend the attention on the rest of your running kit instead.