Emma Original Pro Mattress Topper White Double (4'6)

If you run warm at night, the Emma Original Pro Topper is built for you. The top layer uses ThermoSync® technology, a graphite-infused foam that conducts heat away from your body rather than storing it. Graphite moves heat significantly more efficiently than standard foam, keeping your sleep temperature consistently around 35.5°C, the sweet spot for deep, undisturbed sleep. Fewer wake-ups, less sweating, more rest. Beneath the ThermoSync® layer sits HRX comfort foam, which adapts to your body shape and distributes pressure evenly across side, back, and stomach sleeping positions. Together, the two layers add 9cm of medium-firm support to any mattress, whether new or one that has been with you for years. The cover is removable and machine washable at 40°C, and the underside has an anti-slip coating so the topper stays exactly where you put it. Good Housekeeping Institute approved 2025. Backed by a 10-year warranty. Available in five sizes from Single to Super King. Try it for 100 nights. If it is not right for you, returns are handled directly through Wayfair. Emma Bed Size: Double (4'6)