The MC1622 is a continuous coil mattress.
The MC1622 Mattress features:
Continuous Coil :A continuous coil system is made of one single piece of steel that is twisted into individual coils that are connected by helical lacing that runs from the head to the foot of the mattress.
This system is quite durable, and it provides added support in the center third of the mattress, which is where your body needs it most.
Comfort Foam: High Density Foam in Comfort Layer.