Designed using Cool Blue technology, this topper has all the benefits of memory foam with the advantage of keeping you cool as you sleep. - High Reacting Memory Gel. Moulds to the contours of your body, providing comfort and support to key areas including back, hips and shoulders. - Orthopaedic support foam topper. The memory foam spreads body weight evenly and provides improved pressure relief. - 2 inch overall thickness. A great depth to transform your mattress and improve your sleep at such an affordable price. - Dimensions 90cm x 190cm x 5cm. As with all Viscotherapy mattresses and toppers this product conforms to all British regulations.