A DISPOSABLE WEARING ARTICLE (1) ADAPTED TO BE EASILY BENT ALONG FOLD LINES DEVELOPED IN AT LEAST ONE OF FRONT AND REAR WAIST REGIONS (2,3). A DIAPER INCLUDES FRONT AND REAR OUTER SHEETS (11,12), AN INNER SHEET (13) AND FRONT AND REAR WAIST-OPENING SHEETS (21,22). FIRST SHEET SEGMENTS (24,25) OF THE FRONT AND REAR WAIST-OPENING SHEETS EACH HAS A DIMENSION IN A LONGITUDINAL DIRECTION (Y) LARGER THAN EACH DIMENSION OF THE SECOND SHEET SEGMENTS (26, 27) IN THE LONGITUDINAL DIRECTION. END PORTIONS (24A, 25A) ARE BONDED TO THE RESPECTIVE OUTER SURFACES OF THE FRONT AND REAR OUTER SHEETS WITH END PORTIONS (26A, 27A) LEFT TO BE SPACED APART FROM THE FRONT AND REAR OUTER SHEETS RESPECTIVELY, IN THE LONGITUDINAL DIRECTION. IN THE AREAS WHEREIN THE END PORTIONS LEFT TO BE SPACED APART FROM THE FRONT AND REAR OUTER SHEETS , THE FIRST SHEET SEGMENTS AND THE INNER SHEET ARE OVERLAPPED TO FORM LOW STIFFNESS SUB-REGIONS (51,52). IN RESPECTIVE SIDES INNER THAN THE RESPECTIVE LOW STIFFNESS SUB-REGIONS AS VIEWED IN THE LONGITUDINAL DIRECTION , THE INNER SHEET , THE FRONT AND REAR OUTER SHEETS AND THE FIRST SHEET SEGMENTS ARE RESPECTIVELY OVERLAPPED TO FORM INNER HIGH STIFFNESS SUB-REGIONS (53,54), AND IN RESPECTIVE SIDES OUTER THAN THE RESPECTIVE LOW STIFFNESS SUB-REGIONS, THE INNER SHEET , THE SECOND SHEET SEGMENTS AND THE FIRST SHEET SEGMENTS ARE OVERLAPPED TO FORM OUTER HIGH STIFFNESS SUB-REGIONS (55,56). FIG. 3
