This Michael Jackson foto contains
sombrero, boater, leghorn, panama, panamahut, seemann, skimmer, hut stroh, bootsfahrer, bein, strohhut, livorno, panama-hut, snap randhut, schnappen sie randhut, and snap krempe hut.
There might also be
kampagne hut, kampagnenhut, porkpie, porkpie hut, biber, rizinus, rolle, and castor.