XL Extra Firm

The King Koil Extended Life mattress is built tough, using what may be the most indestructible materials known for use in a mattress and sprung base today.  This bed will remain comfortable and supportive for years to come.  

Featuring King Koil’s eXtended Life Performance System of individually wrapped nested pocket spring which move independently to ensure support and comfort with minimal partner disturbance.

Comfort:eXtended high Density on top of Resilient Foam
Coil   :eXtended Life Perfomance System
Edge   :eXtended Edge
Foundation   :Natural Wood (Reinforced)