Our Body Sensor™ range uses specially developed technology to keep you warm when it's cool and cool when its warm, complimenting the skins natural ability to regulate temperature. Both the cover and the fibre of this 10.5 tog duvet have been specially developed to draw away moisture creating a drier environment for a more comfortable night's sleep. The beautifully soft hollowfibre fill, made from 100% recycled polyester, ensures you are kept warm and snug all night long.