Lipari Mattress with pocket springs is a Poltrona Frau project. Usable on both sides. Medium load-bearing capacity. 7 differentiated load-bearing zones; Soft; Ergonomic; Anti-mite; Self-moulding; Cleanable; Air-cooled; Breathable and ventilated; Naturally correct sleeping position; Removable cover (zip along the entire perimeter).Composition.1. Natural hemp. Anti-mite, jacquard weave.2. Heat-accumulating winter filling in pure virgin wool from WOOLMARK certified shearing.3. Filled case lining in natural cotton fabric.4. Spring structure covered in natural cotton fabric.5. Anti-humidity micro-perforated insulation for perfect breathability in non-deforming, high density expanded POLYCELL.6. Perimeter box support system in non-deforming, high density, micro-perforated and anti-humidity POLYCELL.7. 7-zone differentiated load-bearing springing for the different pressure points, comprising: for the double, approximately 850 springs individually made in carbon steel wire with a diameter of 1.8 mm, tempered, self-moulding and in separate fabric pockets.8. Heat-diffusing summer filling in pure staple cotton. Matching bed base. Vespero.As a pocket spring mattress, it is not particularly suited to the movement of a manual or electric frame. It goes naturally with a fixed frame