A disposable diaper includes a pair of wings 12 formed with a nonwoven fabric. Each of the wings 12 is formed on its circumferentially outer edge with fastener sections 21 each including a male member 22 as a component of so-called mechanical fastener. The fastener sections 21 are folded back onto inner surface of the wing 12 so that only a portion of hooks 21b constituting the male member 21 are releasably engaged with the component fibers 51 of the nonwoven fabric protruding toward the hooks 21b.
