Why aren't Kal'Hyah Bashir and Kal'Hyah O'Brien Costumed?

<TGE> Darxide

Seriously.

[DC] Picard Loves Reds

They are wearing Klingon ritual clothing, not "costumes."

Jenos Idanian

Ritual clothing = not Costumed.

Klingon armor for a Non-Klingon person? = Costumed if you are Determined Paris, not Costumed if you are Blood Oath Jadzia Dax.

There are certainly some discrepancies.