I was skeptical and really wished I could test this by wearing during my usual run. But you can't return shoes after wearing outdoors. Thankfully, these turned out to be a good idea; the foot-shaped toe box is everything, allowing my toes to spread out and not be squeezed. And the zero drop feature feels so much more natural than other shoes; I feel like I'm running on packed beach sand. I tried inserting some extra arch supports but they didn't feel right, so I'm using the shoes as they came out of the box. I feel like it's better to train my feet to work with these shoes rather than relying on artificial supports. Glad I bought 'em.