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