Panarea Mattress with “hybrid” technology that combines micro pocket springs and separate micro springs with natural latex and horsehair, is a Poltrona Frau project. Usable on both sides; Medium load-bearing capacity; Self moulding; Anatomical; Anti-mite; Non-deformable; 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 cotton fabric.5. Rubberised ventilated natural horsehair for perfect breathability of the mattress. 1.5 cm thick.6. 100% natural latex layer with differentiated load-bearing zones for the different pressure points, non-deforming, self-moulding with intercommunicating open cells and through holes for perfect breathability, density 80 kg/m³. 3 cm thick.7. Compact white insulation in carded, needled, heat-fused fibres.8. 7-zone differentiated load-bearing springing for the different pressure points, comprising: for the double, approximately 1,700 micro pocket springs individually made in carbon steel wire with a diameter of 1.3 mm, tempered, self-moulding and in separate fabric pockets.9. Perimeter box support system in non-deforming, micro-perforated, high density expanded POLYCELL.10. 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.