The present invention is intended to improve the dynamic fit of a crotch portion. The foregoing issue is solved in such a manner that a vertical stretchable part (17) vertically extending and contracting in length is provided in a vertical intermediate portion of an absorber (13) in a front body (F), an outer body (20) of the front body (F) has a portion overlapping at least the vertical stretchable part (17), width-direction both side sections of the portion, and a waist opening-side area of the portion and the sections, lifting elastic members (30) having a contraction force of lifting a portion of the vertical stretchable part (17) on a rear side of a front end toward width-direction both sides and an obliquely upward side at least when the diaper is worn are provided in the outer body (20) of the front body (F) on closer to lateral sides than to a width-direction intermediate portion of the absorber (13), and the vertical stretchable part (17) vertically extends and contracts in length by elastic extension and contraction of the lifting elastic member (30).
