Abstract: The present invention relates to a multi-layered structure (10; 20) comprising a first and a second continuous outer skin (11; 21), and an intermediate layer (12; 22) adhered to the first and second outer skin (11; 21), said intermediate layer (12; 22) comprises substantially spherical elements (13; 23) arranged between the first and the second outer skin (11; 21) The invention is characterised in that the spherical elements (13; 23) at their contact surfaces are bounded to the adjacent spherical element or elements. The present invention furthermore relates to a product comprising the claimed structure and a method for producing said structure.