This Wicked photo contains
snap brim hat, campaign hat, fedora, felt hat, homburg, stetson, and trilby.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, cavalier hat, and slouch hat.
Jeremy Legat discusses costume changes in playing Boq, who is a Munchkin with a big heart who pretty much mounts this campaign to win Glinda's heart. V&A Museum. London