Mattress core pocket springs: 500/m2 (multipocket) thermally hardened comfort zones: 7 comfort type: Tender, Comfort or Support comfort layer: 100% Talalay natural latex Mattress cover Oxygene Plus Flexible and extremely comfortable Jersey double fabric made of 65% polyester (in the base knit) and 35% viscose (in the top knit), quilted with 350 g/m2 Oxygène filling (anti-allergic), with breathable center strip in side band, removable (with double zipper) and washable at 40°C. Advantages subtle lying comfort due to perforated Talalay ● finer adjustment to body shapes due to high number of pocket springs ● micro-support for the body ● optimal ventilation ● suitable for adjustable bases ● reversible, so longer use.