This Michael Jackson foto contains
fedora, vilten hoed, homburg, cowboyhoed, trilby, fedora met vilten hoed, stetson, vierdeukenhoed, campagne hoed, porkpie, porkpie hat, and porkpie hoed.
There might also be
sombrero, merg hoed, merg helm, zon helm, tropenhelm, topi, merg hoed met merg helm, and topee.