UNDERPANTS-TYPE ABSORBENT ARTICLE

To provide an underpants-type absorbent article unlikely to make a user worry about getting stuffy in a crotch part by absorbed excretory fluid, while improving a fitting property and absorbability of the excretory fluid in the crotch part.SOLUTION: An underpants-type absorbent article (1) comprises an absorbent body (10) and an exterior member (20) provided on a non-skin side with respect to the absorbent body (10) and including at least a part stretchable in a lateral direction. The absorbent body (10) includes a crotch elastic area (50A) in a crotch part (CA), the crotch elastic area including an absorber elastic member (50) provided at a center in the lateral direction and stretching along a longitudinal direction, and an aperture area (70A) having a plurality of apertures (70) in at least a part of a sheet member (21) constituting the exterior member (20). When viewed in a thickness direction, there is a part where the crotch elastic area (50A) and the aperture area (70A) overlap.SELECTED DRAWING: Figure 2 【課題】股下部におけるフィット性や排泄液の吸収性を高めつつ、吸収した排泄液によって股下部が蒸れやすくなるといった懸念をユーザーに生じさせ難いパンツ型吸収性物品を提供する。【解決手段】吸収性本体（１０）と、吸収性本体（１０）よりも非肌側に設けられ、少なくとも一部が横方向に伸縮可能な外装部材（２０）と、を有するパンツ型吸収性物品（１）であって、吸収性本体（１０）は、股下部（ＣＡ）において、横方向の中央部に設けられ縦方向に沿って伸縮する吸収体弾性部材（５０）を備えた股下弾性領域（５０Ａ）を有し、外装部材（２０）を構成するシート部材（２１）の少なくとも一部に、複数の開孔（７０）を備えた開孔領域（７０Ａ）を有し、厚さ方向に見たときに、股下弾性領域（５０Ａ）と開孔領域（７０Ａ）とが重複する部分を有している。【選択図】図２