Fusiliers means infantry armed with riffles. In Army of Duchy of Warsaw light armed campaigns in regiments of infantry were named as fusiliers. They wore blue jackets as well as blue trousers in winter and white linen "czechczery" in summer. Caps shaped in square mode made of black felt, decorated with white eagle (symbol of Polish Kingdom) and below it with the yellow shield with the number of regiment. Lower officers stuff was equipped also with broadswords sables.