This Harry Styles fan art contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, and straw hat.
There might also be
sunglasses, dark glasses, shades, porkpie, porkpie hat, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.