As it is a formal dress, at first kamon (crest) had been drawn on the back and sleeves, however that custom has fallen into disuse, at present homongi with kamon is rarely seen.
正装の一つであり、当初は背中・両袖の3カ所に家紋を入れる慣例であったが、次第に廃れて今では紋を入れないことも多い。