Our new 12.25" Hybrid Mattress, King Koil Posture Sense Response, ensures comfort for all. The combination of our exclusive Cool Cell foam and our body conforming encased coil system, provide you the ultimate restorative sleep experience. This Cushion Plush Mattress is comprised of 1 layer of .75" High Performance Super Soft Foam, 1 layer of 2.5" Convoluted Ultra Soft Contour Foam and a .50" Gel Infused Visco Lumbar Support Band to provide optimal lower back support. Our Contour Plus 638 (Queen Coil Density) Encased Coil System reduces sleep partner disturbance and body pressure points for an ultimate night"s sleep. With the cooperation of the International Chiropractors Association (ICA), our King Koil mattresses have been designed to help you sleep better and healthier. All of our King Koil products are backed by a 10 year, non-prorated warranty. King Koil - Made in the USA since 1898. Please leave a review and let us know about your experience with our products.