Duck feather filling includes one light and cosy 7.5 tog duvet and one warm 10.5 tog duvet ideal for year around use crisp and breathable 100% cotton cover machine washable indulge in the ultimate seasonal comfort with our luxurious duck feather combi duvet, designed to deliver exceptional warmth and breathability year round. This premium set elegantly combines a lightweight 7.5 tog duvet and a cosy 10.5 tog duvet, both filled with high quality duck feathers known for their excellent insulation and durability. Clip the two together to create a sumptuous 18 tog duvet, perfect for locking in heat during the coldest winter nights. As the weather turns milder, simply separate the layers use the 10.5 tog for a warm autumn sleep, or choose the lighter 7.5 tog to keep you comfortably cool during the warmer months. The entire duvet is encased in a crisp, breathable 230 thread count 100% cotton cover with a beautiful piped edging finish, offering a touch of crisp luxury and the added practicality of being fully machine washable.