Made with cool comfort in mind, the Silentnight So Cool duvet is lightweight to help you stay comfortable and relaxed while you sleep. The duvet is filled with lightweight DuPont fibres, so it won't feel heavy or restrictive. The duvet is covered in microfibre that is moisture wicking to help keep you cool. It's also soft to the touch to offer exceptional comfort throughout the night. It is hypoallergenic which means it does not contain any materials that are likely to cause allergies and it's also machine washable which means you can keep your duvet fresh and clean for longer. Silentnight are the UK's most trusted bed brand with over 70 years' experience in creating products to help the whole family get that 'great sleep' feeling.