"Bertrand came out on to the step, glancing from one of them to the other. He was wearing a blue beret, which had much the same effect on Dixon as Welch senior's fishing-hat. If such headgear was a protection, what was it a protection against? If it wasn't a protection, what was it? What was it for? What was it for?" (188)
Amis, Kingsley. Lucky Jim. London: Penguin, 1972 .
What was it for? Why do we wear hats with character? At the time Amis was writing, hats on men were still common--even socially necessary. To not wear a hat would have been significant; what does wearing a funny hat mean?