Self-Heating Technology - Dual Comfort Layers - Handcrafted in the UKEnjoy cosy, uninterrupted sleep even on the coldest nights with the Extreme Comfort Warmer Extreme Mattress—a smart choice for winter warmth and year-round comfort. This innovative mattress combines advanced self-heating fabric with engineered comfort layers to create a warm, supportive, and breathable sleep environment perfect for colder bedrooms, winter months, or anyone who prefers a snug sleeping surface.At the heart of this mattress lies the exclusive Warmer Extreme heat-retaining fabric, designed to naturally capture and reflect your body heat. This creates a warm and welcoming sleep surface that maintains a balanced temperature—keeping you toasty without overheating or trapping moisture. It acts like built-in central heating, providing a dry, odour-free environment ideal for chilly nights.Beneath the warming surface is a high-performance Dual Comfort Support System. This carefully engineered filling offers up to five times more support and six times more comfort than traditional foam or fibre alternatives. The result is enhanced pressure relief, improved spinal alignment, and full-body contouring to help you fall asleep faster and stay asleep longer.Proudly handcrafted in the UK, this mattress is built to last. Every unit is made by skilled artisans and rigorously tested to meet BS7177:2008 Domestic Use fire safety regulations, offering peace of mind alongside premium comfort.For convenience, the Warmer Extreme Mattress arrives vacuum-packed, rolled, and boxed—making it easy to transport, unbox, and install. Simply allow it to expand for a few hours, and you’ll be ready to enjoy a warm, supportive night’s sleep.