GeneralMatt
Emperor
By the Napoleonic era grenades were rather ineffective in open, I am not sure they were even using grenades as during the American Revolutionary war era, though I may be incorrect. They were used during the Crimean and Civil wars for trench work, but otherwise they were not practical enough for widespread use.
There were still grenadiers, however, the biggest, tallest, bravest men of a regiment formed into companies, or more rarely, battalions, though they often companies from numerous regiments were brought together into ad hoc heavy battalions on the field. They had given up use of the grenade however.
Edit:
And the first of the light cavalry, a British Light Dragoon in the pre-1812 uniform.
There were still grenadiers, however, the biggest, tallest, bravest men of a regiment formed into companies, or more rarely, battalions, though they often companies from numerous regiments were brought together into ad hoc heavy battalions on the field. They had given up use of the grenade however.
Edit:
And the first of the light cavalry, a British Light Dragoon in the pre-1812 uniform.
Spoiler :


(maybe I meant the pelisse? I don't know. The pictures I've found are all showing men wearing these two things, but it's not clear to me which part of the clothing is what...). Well, I've marked the thing I mean with red colour, see attachment. What I said about the brightness of the green, was meant regarding all green parts of the uniform though... The shako (at least, here I know what I'm speaking about