This TFW - The Friends whatever photo contains
boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, fedora, felt hat, homburg, stetson, trilby, and campaign hat.
There might also be
pith hat, pith helmet, sun helmet, topee, topi, sombrero, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.