An abdominal exterior member (30) provided on the wearer's ventral side, and a dorsal exterior member (40) provided on the wearer's dorsal side, having a vertical direction, a lateral direction, and a thickness direction orthogonal to each other. And a diaper (1) provided on at least one of the abdominal exterior member (30) and the back exterior member (40) and having an elastic member (35) along the lateral direction, A through hole (50) penetrating from the skin to the non-skin side is provided. In the vertical direction, the through hole (50) overlaps with the elastic member (35). In the horizontal direction, the elastic member (35) is The through hole (50) is discontinuous, and a ridge (W11) is formed around the through hole (50). The top of the ridge (W11) protrudes in the thickness direction, and the through hole (50) The outermost end (es) in the horizontal direction is straddled in the vertical direction.互いに直交する縦方向と横方向と厚さ方向と、を有し、着用者の腹側に設けられる腹側外装部材（３０）と、着用者の背側に設けられる背側外装部材（４０）と、腹側外装部材（３０）及び背側外装部材（４０）の少なくともいずれか一方に設けられ、横方向に沿った弾性部材（３５）と、を備えるおむつ（１）であって、肌側から非肌側に貫通する貫通孔（５０）が設けられており、縦方向において、貫通孔（５０）は、弾性部材（３５）と重なっており、横方向において、弾性部材（３５）は、貫通孔（５０）内で非連続であり、貫通孔（５０）の周囲に皺（Ｗ１１）が形成されており、皺（Ｗ１１）の頂部は、厚さ方向に突出し、且つ貫通孔（５０）の横方向の最も外側の端（ｅｓ）を縦方向に跨いでいる。
