Definition of "hatted"

He was hatted, booted, overcoated, and umbrellaed, as became a person who was about to expose himself to the night and the storm on an errand of charity […]

1893, Ambrose Bierce, “The Applicant”, in Can Such Things Be?‎, New York: Cassell, page 192

The harnessing done, he barked suddenly at the house, and there appeared Millie, hatted and gloved[.]

1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, published 1965, page 92

There is something about the mere sight of this number-nine-size-hatted man that seldom fails to jerk the beholder from despondency’s depths in times of travail.

1946, P. G. Wodehouse, chapter 25, in Joy in the Morning, Random House, published 2009