Kazui is a Young man with orange hair and large dark orange eyes. He has smooth spiky hair, he's usually seen wearing a light blue hoodie when home, and a Gakuran, a traditional school uniform being black,the top has a standing collar buttoning down from top-to-bottom. 

In his shinigami form he wears the standard Shinigami robe like his father, though he retains his hoodie.

Kazui wields his Zanpakutō on his back. it's identical to his father's Zanpakuto