A disposable diaper is formed in one of front and rear waist regions with
first wings which are elastically stretchable in a waist-surrounding
direction and these first wings are provided on respective body facing
surfaces with first fastener elements. The other waist region is provided
on its undergarment facing surface with, in addition to second fastener
elements, anti-slip zones exhibiting a desired average kinetic frictional
force relative to the body facing surface of the first wings.