High-performance gel layer with impressive heat dispersion Micro Tencel cover for temperature regulation Made in the UK Complete comfort is yours with the Sleep Story Gel Mattress Topper. Its high-performance gel layer effectively absorbs and disperses heat to keep you cool while reacting to your bodys movements through the night to relieve pressure on joints and across the whole body. Its finished with a micro Tencel cover with fibres that help to regulate temperature and improve moisture dispersion, so you always stay comfortably cool. Sleep on both sides to keep your topper looking like new. Turn and rotate regularly to maximise performance.