(もんつき)

もんつき
noun
formal kimono with family crest; crested garment
1. formal kimono with family crest
A formal Japanese garment featuring the wearer's family crest (mon). The most formal type of traditional Japanese attire.
I wore a crested kimono with hakama at the wedding.
紋付(もんつき)(はかま) is the full formal outfit for men
I inherited my grandfather's crested kimono.
A crested kimono with five family crests is the most formal.
(いつ)(もん) = five crests (the most formal level)

TRADITIONAL JAPANESE FORMAL WEAR:
紋付(もんつき) refers to any garment bearing a family crest (家紋(かもん)). Most commonly refers to a formal black kimono worn by men at ceremonies.

FORMALITY LEVELS:

The number of crests indicates the level of formality:

FULL FORMAL OUTFIT:
For men: 紋付(もんつき)羽織(はおり)(はかま) (crested haori jacket with hakama pants)
For women: 黒留(くろとめ)(そで) with family crests

OCCASIONS:

NOTE: Rental services (貸衣装(かしいしょう)) are common since many families no longer own 紋付(もんつき).