The checkered and stretching workmanship ensures differentiated support in areas and stretching of the spine, as well as ventilation in the heart of the layer. The three layers in Elioform and Eliosoft guarantee ideal support and greater support. The padding is in anatomical Memoform. The lining, in soft Natural Viscose and thermoregulating Outlast®, absorbs excess heat and releases it when needed. Comfort Medium Firm.