Margaux’s Demi is the practical ballet flat for people who have been disappointed by prettier shoes. The fit options are unusually thoughtful, the silhouette is clean and the shoe has enough polish for office days without losing its weekend usefulness. It is not trying to reinvent the flat. It is trying to make the existing idea less punishing, which may be more valuable. A good flat should survive a long day and still look like a choice.

Repetto’s Cendrillon is the ballet flat as cultural memory: Paris, dance studios, rolled denim, gamine clichés that somehow persist because the shoe is still beautiful. The construction is delicate, so this is not the pair for hard rain or heroic commuting. But as a light, elegant flat, it remains difficult to beat. It softens tailoring and makes a simple outfit feel more graceful. Some shoes are useful because they are practical; this one is useful because it changes the mood.