The 21st century is ill equipped to understand what the 19th saw in hats. And the 19th century was really pretty excessive, on the heads of men and women alike. Here are some examples:

Millineristic excess 1 Millineristic excess 2 Millineristic excess 3 Millineristic excess 4 More than enough hat another supernumerary hat Hat and gloves hat inverted flowerpot prognathous is that a birdsnest purse? does this count as a minimalist hat? another minimalist hat hat hat hats hats hats still more hats bonnets More fun with hats