Comfort Dreams Select-A-Firmness 11-inch Queen-size Memory Foam Bed Mattress Soft Medium Firmness Eliminates motion transfer and uncomfortable pressure points common in most innerspring mattresses Firm: 2-inch layer of 4-pound memory foam, 2-inch layer of 3.0-pound memory foam, 7-inch layer of 1.5-pound urethane foam Originally designed for NASA, this space age foam cradles the body, reducing pressure points that cause tossing and turning