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