I Can't Believe This Isn't Down Micro-Gel Duvet, King, are made with a 260-thread-count 100 percent combed cotton shell. The fill is a new microfiber technology that creates the luxurious feel of the finest down. The comforter is hypoallergenic and has an antimicrobial protection that is permanently built into the fiber. The comforter also has an anti-dust mite protection feature....