The Wool and Synthetic Duvet. Both light and warm, this duvet is ideal for a room heated between 15° and 18°C. Wool regulates body temperature and lets you sleep warm without sweating. Product Details • Filling 50% merino wool, 50% silicone hollow fibre • 100% organic cotton envelope • Graphic stitching • Cotton bias finish blue white red threads • Supplied in a clear polyethylene cover. Care instructions • Machine washable at 30°C Dimensions • 140 x 200cm • 200 x 200cm • 220 x 240cm • 240 x 260cm