The Kingsdown Passions Collection is Exceptionally Cool and Supportive. Combining the support of a double stack of individually wrapped tri-zoned coils for targeted support and reduced motion transfer, with layers of comfort foam, including a Latex Foam Lumbar band for additional back support. Gel materials within the quilt promote a cooler sleeping surface inducing relaxation. It is Kingsdown's passion to give you a smarter mattress for a better nights sleep. By combining the latest in material technology and the hand craftsmanship that goes into every mattress, Kingsdown is confident you will sleep well on their products.