Just like every memorable pair in history, so begins the 12 in. Blissful Nights Lilac Ultra Plush Memory Foam Mattress and the M1500 Adjustable base pairing. 2.5 in. of 1.8 lb. Air Plex memory foam top layer designed to promote air flow, dissipate heat, and cool the sleep surface and increase comfort. A 1 in. 3 lb. middle layer of visco memory foam. A 1 in. 1.5 lb. bonus layer of transitional support for even weight distribution and a 7.5 in. base support layer to complete your bliss. The most customizable sleep solution is within your grasp with the M1500 Blissful Nights Wireless Adjustable Bed Base and the 12 in. Blissful Nights Lilac Ultra Plush Memory Foam Mattress.