A sanitary napkin structure, particularly for a slight incontinence, said sanitary napkin structure comprising a first substantially permeable sheet, a second substantially impermeable sheet and an absorbing pad enclosed between said first and second sheets, characterized in that said absorbing pad comprises an absorbing pad layer including a flexible cotton fiber and a superabsorbing polymer matrix, wherein the cotton fibers in said matrix have a random orientation along three axes and do not have a preferential orientation in a X-Y plane.