This Michael Jackson foto contains
filzhut, homburg, stetson, trilby, fedora, stetson trilby, kampagne hut, kampagnenhut, snap randhut, schnappen sie randhut, and snap krempe hut.
There might also be
sombrero, markröhre hut, helm, tropenhelm, topee, topi, pith hut, pith helm, sonnenhelm, mark, hut, and sonne helm.