Relax into the soft Siberian goose down filling of this luxurious duvet. Made from pure cotton, the breathable fabric allows air to move freely so you can sleep comfortably. The 350 thread count and silky sateen jacquard design bring a premium finish. It has a heavier 13.5 tog which is great for keeping you warm on colder nights, while the cassette filling gives an even fill distribution and helps to prevent cold spots. The pure down content creates a wonderful drape for the perfect nights rest.