The trousers (1) comprises two zip fasteners (21), arranged symmetrically from the central zone before a strip of belt (13), extending obliquely downwards to a lateral side of the trousers (1). An enveloping element (4) in a detachable is integrated with the trousers (1). The enveloping element (4) comprises a strip (42), the two ends of which pass through loops (420) located in the corresponding lower corners of the enveloping element (4), and a lower portion (44) of the enveloping element (4) is folded upwards to be covered in a reliable manner, a zone of between - legs of a user, which prevents the urine and excrement of overflowing. A clamping member (5) used for fixing elements of the velcro ® or buttons in order to lock a flat part (801) of an absorbent element (8), and the clamping member (5) makes it possible to provide a positioning secure, an increase of friction, and a distribution of load so that the absorbent component (8) can be brought reliably. The clamping member (5) includes a tightening element (52) which is hidden when it is not used. The tightening element (5) can be tilted in order to ensure the locking of the absorbing element (8).
