This 10" thick hybrid mattress has a tight top and low motion transfer, designed to let you stay asleep even if your partner tosses and turns. Six layers of memory foam have a high firmness with a breathable design that helps keep you cool while sleeping. It also features edge support to ensure you can sleep on any spot without the mattress sagging, and it includes a polyester cover to retain mattress freshness. Compatible with adjustable bases (frame and box spring sold separately).