While Vanitas wore several outfits over the course of the series, he usually wore a white shirt over black pants, a dark blue striped vest, a large blue bow tie, and an oversized black coat. As accessories, he wears a long, wide ribbon tied into a bow as a belt, short boots with white spats, and black gloves with claws embedded at the fingertips. His coat is long, with a wide collar and a single button, large enough to frequently fall over one shoulder. At its hem, it takes a baloon-like form, and is joked to float "through some mysterious power." Its sleeves are someone based on those of a furisode kimono. To his belt, he strapped the Book of Vanitas, two knives, and two tool cases. His outfit is called "the outfit nobody understands."
As a child, he looked much the same, though his hair was less cleanly cut. He was thin and physically diminutive, despite his active training as a chasseur. Prior to being Marked by Vanitas of the Blue Moon, his eyes were a darker shade of blue.