The invention relates to a reusable absorbent diaper typestructure having a longitudinal axis XX and comprising an outersupport element which can be adjusted to the body of a user, aflat absorbent element and an intermediate impervious elementfor supporting the absorbent element, the intermediate elementbeing connected by attachment means to the outer element.In accordance with the invention, the intermediate elementexhibits on each of the lengths thereof an elastic border,which, in the stretched and flattened state, makes it possibleto cover the absorbent element according to at least alongitudinal area, and when the structure is positioned on theuser, is liable to remain in permanent contact with the skin ofthe user.
