The NF Diamond Duvet is filled with the highest quality of open fibre with our own creation of Diamond Fibre. The incredibly breathable and luxuriously soft sateen shell, which is made with 400 thread count and 100% cotton is specially woven to allow air to effortlessly circulate, meanwhile wicking away moisture. As a result, cotton shell helps your body temperature regulates as you sleep. The NF Diamond Duvet is beautifully finished with reinforced double stitching and piped edging. It also features a baffle box design with Duvetlock® to ensure warmth is maintained evenly and cold flat spots eliminated. Pair it with NF Diamond Pillow to complete your bed for a better night sleep.