https://click4r.com/posts/g/19....439368/20-reasons-to
All Year Round Duvet Tog All year round, a comfortable sleep is possible with the proper duvet tog. However, some prefer to have both winter and summer duvets for convenience and to save the hassle of changing and storage. Young children require a lower tog rating because their bodies aren't as big and struggle to regulate heat. A low tog is also necessary for safety, as they can easily overheat. Winter Duvets often come with an 'Tog' rating on their packaging, which is an indica