ローブ

Example prompt →「retro 90s cel anime, anime screencap, 1girl, solo, wearing a large white hooded cloak that completely envelops the entire body, simple white cloth cloak, full-length hooded robe, hood up, deep hood, fabric texture, draped fabric, neck completely covered, arms completely hidden inside cloak, hands not visible, no arms visible, no slits, completely closed front, body fully concealed under cloak, gladiator sandals」

You can change the "white" color to another color.