This Michael Jackson foto contains
filzhut, homburg, stetson, trilby, fedora, stetson trilby, kampagne hut, and kampagnenhut.
There might also be
porkpie, porkpie hut, snap randhut, schnappen sie randhut, snap krempe hut, boater, leghorn, panama, panamahut, seemann, skimmer, hut stroh, bootsfahrer, bein, strohhut, livorno, and panama-hut.