The invention relates to an absorbent matrix intended for use in a disposable absorbent item, said matrix comprising an upper surface and a lower surface, a front portion and a rear portion, two longitudinal edges and two transverse edges, and being formed of three layers: an upper layer, an intermediate layer and a lower layer. The upper and lower layers contain less than 25% super absorbent material. The intermediate layer has three areas with different specific weights: one receiving and distribution area, one or more transition areas and one or more anti-leakage areas.
