The absorbent incontinence diaper (2) has a rear area (8), a front area (6), a crotch area (12), and two side edges. A main part (4) having an inner face and an outer face. The main part has an absorption body (14) and a backsheet (10) on the side of the absorption body. The side parts (16,17) having a closure unit (32) with a mechanical closure aids (31) in the rear area. The retaining forces between the mechanical closure unit and the outer face of the main part are lower than the retaining forces between the mechanical closure unit and the outer face of the side parts.