This Super Junior foto contains
filzhut, homburg, stetson, trilby, fedora, and stetson trilby.
There might also be
kampagne hut, kampagnenhut, porkpie, porkpie hut, boater, leghorn, panama, panamahut, seemann, skimmer, hut stroh, bootsfahrer, bein, strohhut, livorno, and panama-hut.