With clever climate control technology featuring Fine Bed Company\'s Smartfil technology. The Breathe duvet allows you to sleep in temperature controlled comfort and helps you to wake up feeling refreshed. Available in single, double, king and super king sizes and a selection of tog ratings. Filling Material:80% Smartfil® microfibre, 20% ModalGood for allergies:YesMain Fabric: 80% Smartfil® Microfibre / 20% Modal Season:All SeasonTog Rating:9 and 4.5Tumble Dry:YesWashing Instructions:Wash at 60°c, do not bleach, do not dry clean