Sea air does your breasts good
It looks like her doctor recommended that her breasts get plenty of sea air, but really she's wearing fakeout booby body armor so people attack her chest rather than her head. Also why her corset looks a little off with her waist and hips.
[Also all of these games are seriously always missing a trick by not pricing their stuff at $69]
(Ad for Age of Pirates: Caribbean Hunt, Glacier Games)