A disposable garment that prevents urine leakage, has superior appearance, and reduces reluctance of the wearer to wear the garment.The disposable garment (1) comprises a torso band (21) comprising a torso band opening (21a); and a chassis (20) disposed on a lower side of the torso band (21); wherein the chassis (20) comprises a stretchable composite sheet, the stretchable composite sheet being a multi-layer structure comprising a first air permeable sheet (203), a second air permeable sheet (205), and a liquid diffusion fiber sheet (201) and a linear elastic body (202) disposed between the first air permeable sheet (203) and the second air permeable sheet (205), and the chassis (20) has stretchability that imparts a pressing force against a wearer.