<P> But by early 1794, as the bourgeois and middle class elements of the revolution began to gain more political influence, the fervent working class radicalism of the sans - culottes rapidly began falling out of favor within the National Convention . It wasn't long before Maximilien de Robespierre and his now dominant Jacobin Club turned against the radical factions of the National Convention, including the sans - culottes, despite their having previously been the strongest supporters of the revolution and its government . Several important leaders of the Enragés and Hébertists were imprisoned and executed by the very revolutionary tribunals they had supported . The execution of radical leader Jacques Hébert spelled the decline of the sans - culottes, and with the successive rise of even more conservative governments, the Thermidorian Convention and the French Directory, they were definitively silenced as a political force . After the defeat of the 1795 popular revolt in Paris, the sans - culottes ceased to play any effective political role in France until the July Revolution of 1830 . </P> <P> The distinctive costume of typical sans - culottes featured: </P> <Ul> <Li> the pantalon (long trousers)--in place of the culottes (silk knee - breeches) worn by the upper classes </Li> <Li> the carmagnole (short - skirted coat) </Li> <Li> the red Phrygian cap, also known as a "liberty cap" </Li> <Li> sabots (a type of wooden clog) </Li> </Ul> <Li> the pantalon (long trousers)--in place of the culottes (silk knee - breeches) worn by the upper classes </Li>

Who were the jacobins and where did they get their name