memory foam
Noun
Meaning
memory foam (countable and uncountable, plural memory foams)
Foam consisting of polyurethane and other chemicals used in the manufacturing of pillows, mattresses, laptop sleeves, etc, which reacts to body heat and molds to the shape of the body.
Examples
Memory foam toppers range from 2.5 PCF or lower to 5 PCF or higher.
Ease of Moving and Rotating Memory foam mattresses tend to be lighter, which makes them easier to move.