This Harry Styles photo contains
park bench, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, fedora, felt hat, homburg, stetson, and trilby.
There might also be
bare legs, pantyhose, skintight pants, skintight, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, hip boot, and thigh boot.