old ceremonial court dress
Refers to a specific type of formal court attire worn by nobles and officials in the Heian period and later, now seen mainly in historical contexts or traditional ceremonies.
Heian-period nobles wore sokutai during ceremonies.
full traditional Japanese court dress
The term 束帯 (sokutai) literally means 'bundled sash', referring to the layered and tied nature of the garment. The exact historical derivation is uncertain, but it has been used since the Heian period to denote the most formal court costume.