High-density 10-12-14-15 cm high pocketed springs available in the ZONED version with 3-5-7 zone differentiated bearing capacity or in the MONOZONE version. The springs, composed of a high-carbon wire and available in wire diameters of 1.30-1.40-1.50 mm, provide independence, support and coziness unique in the industry. The structure of this product is more compact thanks to the "Plus" system, two layers of anti-allergic polypropylene fabric glued to the support surfaces.