If you tend to overheat in bed, this revolutionary mattress pad is the answer to a better night's sleep. Filled with an advanced new gel, the pad will stay at a constant 4øC below normal body temperature - providing just the right amount of cool comfort. It needs no refrigeration and will always feel cool to the touch from the moment you lie down. Coming in a single size, the mattress pad is especially beneficial if your partner can sleep under normal conditions and you can't. They'll mould comfortably to your body like memory foam.