This Michael Jackson foto contains
bever, castor, vierdeukenhoed, campagne 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, cavalier hoed, slappe hoed, slouch hoed, and sombrero.