This Dana Hamm photo contains
a boater or leghorn or panama or panama hat or sailor or skimmer or straw hat, a fedora or felt hat or homburg or stetson or trilby, and a snap brim hat.
There might also be
a swimsuit or swimwear or bathing suit or swimming costume or bathing costume and a dress hat or high hat or opera hat or silk hat or stovepipe or top hat or topper or beaver.