"Habit de drap, Gilet de Piqué, Culotte de Casimir de Bombé" (December 1811) - "The boots and spurs, along with the riding crop or carriage whip indicate that this is a costume for riding or driving."
You don't often get to see it both in a portrait and "live," as it were.
Queen Louise of Prussia riding habit. This is the riding habit that the Queen wears in the portrait done by Wilhelm Ternite, a top hat, a high neck chemissette and a blue spencer with golden hussar braiding.
Fashion for Men, c. 1835
7. Empire (1815) The woman is wearing a spencer (or hunting) jacket and a petticoat, and the man is wearing a jacket with tails and breeches.
Men in Vests and Neckties 1834
Men’s wear (1830-1848). Suits by Humann, canes by Verdier, hats by Jay. From Le romantisme et la mode (Romanticism and fashion), by Louis Maigron, Paris, 1911. (Source: archive.org)
1825 Gentleman's Green Coat Mens Wear Costume Institute Fashion Plates libmma.contentdm.oclc.org