Hessian (/ˈhɛsiən/; from Hesse in Germany) refers to a style of light boot that became popular from the beginning of the 19th century. Initially used as standard issue footwear for light cavalry regiments, especially hussars, they would become widely worn by civilians as well. The boots had a low heel, and a semi-pointed toe that made them practical for mounted troops, as they allowed easy use of stirrups. They reached to the knee and had a decorative tassel at the top of each shaft, with a "v" notch in front. The Hessian boot would evolve into the rubber work boots known as "wellies" and the cowboy boot.
When describing the appearance of Marley's Ghost in A Christmas Carol, Charles Dickens mentions the tassels on his boots, indicating that they were Hessian style. In Chapter 3 of Thackery's Vanity Fair, in a scene set in England during the Napoleonic Wars, Joseph Sedley is described as wearing Hessian boots.
In the Gilbert and Sullivan comic opera Patience, Colonel Calverley sings a song about the military uniform, how impressive it looks, and the effect it has on women. The song specifically mentions Hessian boots (note that W. S. Gilbert's rhyme presumes the older pronunciation of Hessian (compare "Russian" and "Prussian"):