Don Troiani Historical Artist. American Revolution: A Highlander of the 42nd Regiment of Foot (Royal Highland Regiment , Black Watch), Grenadier Company , campaign dress in the South 1780. I did this one 17 years ago. The Grenadiers wore a white feather in their bonnets. Light Infantry and Grenadiers wore shoulder wings and the Light Infantry had red waist coats while the rest had white. Brown woolen overalls were worn on winter campaign.