The Carisbrooke is specifically designed to be an easy maintenance mattress with the core remaining in place while the toppers are zipped off so that they can be refreshed and rotated periodically to keep them fresh and comfortable. 5500 pocketed springs with a luxury platform top base - no turn mattress, rotate only. Available in 2'6", 3', 4', 4'6", 5' and 6' sizes, with or without drawers, and as mattress only options. Priced in a Range A fabric.