This Michael Jackson foto contains
fedora, vilten hoed, homburg, cowboyhoed, trilby, fedora met vilten hoed, stetson, schipper, leghorn, panama, hoed, zeeman, skimmer, strooien hoed, livorno, panama hoed, matroos, stro hoed, porkpie, porkpie hat, and porkpie hoed.
There might also be
merg hoed, merg helm, zon helm, tropenhelm, topi, merg hoed met merg helm, topee, sombrero, and pak.