The Silentnight Warm & Cosy duvet will help to keep you warm and comfortable for a relaxing and restful night's sleep. The duvet is generously filled with hollowfibre which results in a soft, snuggly and comforting duvet that cocoons around you. The 13.5 tog Warm & Cosy duvet is ideal for cooler months and will prevent you from becoming cold in bed. The duvet is covered in microfibre that is soft to the touch to offer exceptional comfort throughout the night Silentnight are the UK's most trusted sleep brand with over 75 years' experience in creating products for every sleeper.