A DISPOSABLE DIAPER (1) BEING IMPROVED TO RESTRICT DEVELOPMENT OF GAPS BETWEEN A PAIR OF LEAKAGE-BARRIER CUFFS FORMED ON RESPECTIVE SIDES OF A CROTCH REGION (2) AND THE WEARER’S SKIN. A DISPOSABLE DIAPER HAS A PAIR OF CUFFS (32, 33) EXTENDING IN A LONGITUDINAL DIRECTION (A) AND BEING STRETCHABLE AND CONTRACTIBLE ALONG RESPECTIVE SIDES THEREOF. THE CUFF (32) OF THE PAIRED CUFFS INCLUDES A FIRST ELASTIC MEMBER (47) ATTACHED TO AN OUTER EDGE OF THIS CUFF. THE CUFF (33) OF THE PAIRED CUFFS INCLUDES A PROXIMAL EDGE (44) FIXED TO AN INNER SIDE THEREOF AND A SECOND ELASTIC MEMBER (49) ATTACHED TO A FREE EDGE THEREOF. AT LEAST ONE OF THE PAIRED CUFFS ADDITIONALLY INCLUDES A THIRD ELASTIC MEMBER (60) ATTACHED THERETO IN THE VICINITY OF THE ZONE IN WHICH THE PROXIMAL EDGE IS FIXED. FIG. 4
