The Silentnight Super Springy duvet combines warmth with loft to keep you comfortable and warm for a perfect nights sleep. The duvet is generously filled with spiral shaped spring like fibres that spring into shape every morning after use. This helps to keep your duvet feeling sumptuously fuller for longer. The 10.5 tog Super Springy duvet is ideal to use all year round and is covered in microfibre cover that is soft to the touch and offers exceptional comfort throughout the night.