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