Wiktionary
behatted
a. Wearing a hat.
Usage examples of "behatted".
I ducked my behatted head, but not before catching another snatch of my reflection in one of the looking-glasses: a black-haired bravo with his buttons glinting and his hat tipped at a rakish angle.
In strange contrast to her depressing appearance, there sat beside her an over-dressed, much behatted, peroxided young woman, who bore the stamp of the theatrical profession all over her pretty, painted face.