noun
Specifically refers to the crimson hakama traditionally worn by Shinto shrine maidens (miko) or noblewomen at the imperial court.
巫女は白い小袖に紅の袴を着けている。
The shrine maiden wears a white kosode and a red hakama.
平安時代の女官は紅の袴をはいていた。
Court ladies in the Heian period wore red hakama.
袴 is the general term for hakama (traditional divided or undivided skirt-like trousers). 紅の袴 specifies the red variety with its particular cultural associations.
Compound of 紅 (くれない, 'crimson') + の (possessive particle) + 袴 (はかま, 'hakama'). The exact historical origin of the red color's significance is uncertain, but it is traditionally associated with shrine maidens and court attire.