This Game of Thrones photo contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.
There might also be
sign, poster, text, chalkboard, street, city scene, urban setting, pith hat, pith helmet, sun helmet, topee, and topi.