The support base is made of foam, whereas the Sealy Posturepedic Hybrid mattress has a pocketed coil base. The GravityLux’s ...

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.

And with a generous depth of 29cm and a quilted pillow top, this is a high quality, medium mattress that should provide you with a great night’s sleep, at a very reasonable price. Sealy ...