Sometimes we notice a suit before identifying its cloth or details. The proportions of its upper and lower halves, their fabric and the way the ensemble is worn seem to share one intention. That coherence does not come from a universal formula. It develops through connected decisions, then finds its test on the wearer, in her movements and in everyday life.

A working day can include a commute, hours at a desk, a presentation and dinner. Choosing a suit for these situations means organising an outfit around real uses. Cut and cloth contribute to the impression it creates, but clothing cannot replace ability or a person’s voice. Its most useful role may be to let you concentrate on what you are there to do.