This disposable diaper (10) is configured in a manner so that in a region within a front torso encircling region (20), a notched section (500) is formed , and at the end (E1) in the product lengthwise direction (L) of the front torso -encircling region (20) , the fibers within a top sheet (50) and an outside covering sheet (60) are compressed , reducing bulk. The fibers within the top sheet (50) and the outer covering sheet (60) are bonded by means of a state of being entangled without being having been melted.
