The Blacksoft® suspension is composed of three intertwined steel wires. Used in the mattresses of the Beautyrest Black collection, the Blacksoft® suspension is found alongside the Sensoft Evolution spring. The combination of these two technologies allows a differentiated comfort between the head, the shoulders, the back, the thighs and the feet. The curvature of the back is perfectly respected. Support is adjusted at the lumbar and at cervical levels with the presence of Blacksoft® suspension on these two areas.

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