This Ian Somerhalder and Nina Dobrev fan art contains
boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, fedora, felt hat, homburg, stetson, trilby, and sombrero.
There might also be
porkpie, porkpie hat, campaign hat, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.