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