Byakuya has slate gray eyes and long black hair, which he keeps up in intricate white headpieces called kenseikan which symbolize his nobility as the head of the Kuchiki Clan, wearing three on top of his head and another two on the right side. In addition to the standard captain shihakushō, he wears a white scarf

Byakuya's zanpakuto is Senbonzakura it looks like a regular katana, In its Shikai blade separates into a thousand tiny, slender blade fragments, which resemble cherry blossoms