This Doctor Who screencap contains
geschäftsanzug, business-anzug, filzhut, homburg, stetson, trilby, fedora, and stetson trilby.
There might also be
kampagne hut, kampagnenhut, boater, leghorn, panama, panamahut, seemann, skimmer, hut stroh, bootsfahrer, bein, strohhut, livorno, panama-hut, porkpie, and porkpie hut.