This Michael Jackson foto contains
filzhut, homburg, stetson, trilby, fedora, stetson trilby, geschäftsanzug, business-anzug, boater, leghorn, panama, panamahut, seemann, skimmer, hut stroh, bootsfahrer, bein, strohhut, livorno, and panama-hut.
There might also be
porkpie, porkpie hut, gut gekleidete person, anzug, hosenanzug, pantsuit, kampagne hut, and kampagnenhut.