Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

The support base is made of foam, whereas the Sealy Posturepedic Hybrid mattress has a coil base. The GravityLux's cover has a type of pillow top design that the Sealy Posturepedic Hybrid mattress ...

A combination of characteristics analyzing user interaction with the pillow, including attributes such as panel judgments, head contact, and pressure distribution. The Sealy Memory Foam Gel is ...

And with a generous depth of 29cm and a quilted pillow top, this is a high quality ... Take, for example, the Sealy Posturepedic 2000 Latex Single Mattress, our number one pick of the best ...