This Roc Royal (Mindless Behavior) photo contains
fedora, felt hat, homburg, stetson, trilby, pith hat, pith helmet, sun helmet, topee, topi, portrait, headshot, and closeup.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, porkpie, porkpie hat, boater, leghorn, panama, panama hat, sailor, skimmer, and straw hat.