This Lee Taemin photo contains
fedora, felt hat, homburg, stetson, trilby, porkpie, porkpie hat, beaver, and castor.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, snap brim hat, boater, leghorn, panama, panama hat, sailor, skimmer, and straw hat.