Premium 13.5 Tog 100% Goose Down Duvet is crafted for the highest level of luxury, this duvet is filled with the softest and highest-quality goose down, providing unparalleled insulation for a truly cozy night's sleep.The 300-thread count 100% cotton fabric adds a touch of pure luxury, enhancing the duvet's overall comfort and breathability. With cassette construction, the goose down is evenly spread throughout the duvet, ensuring perfect warmth during chilly Autumn and Winter nights. This allows the natural loft of the goose down to fully expand, ensuring that you experience its plush and comforting qualities to the fullest.