MacWage is right. There's a big difference between modern balmorals and the bonnets of the jacobite era (late 17th, early 18th centuries). The early bonnets were usually knit and felted, wider and "floppier" than today's, and were worn flat, not cocked up on the left side:

Also, they didn't have big "pom-poms" on top, that being a later development. Instead, there was a little "nipple" where the knitting comes together:
Brian
"They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety." ~ Benjamin Franklin
Bookmarks