Silentnight are experts in making sure you get the best night�s sleep and their Geltex 1000 Mirapocket Pillow Top Mattress uses several key features to make sure you enjoy a luxurious and unbroken rest.This mattress uses Silentnight�s unique Mirapocket system, with a thousand individual springs working together to provide the ultimate in support. This innovative system uses separate springs that are held in tension in their own fabric pockets. These springs respond to the weight and position of your body to provide advanced zoned support exactly where you need it. The individually responsive Mirapocket system has been shown to provide optimal spinal and posture support throughout the night.The Geltex 1000 Mirapocket Pillow Top also features a luxurious 4cm layer of Geltex to provide even more comfort. This uses elastic gel and air-permeable foam to give unbeatable pressure relief. The unique combination of gel, foam and air cells makes the Geltex layer extremely responsive and it also has great breathability. Air passes easily through this layer, helping to prevent overheating and keep you cool.The Silentnight Geltex 1000 Mirapocket Pillow Top Mattress provides medium firmness and is 28cm deep. It is handmade in the UK and comes with a 5-year manufacturer\'s guarantee.