We've handpicked this bedding essential for its quality and versatility. Medium-weight, all-season duvet insert features 10" baffle block construction for maximum loft and minimum shifting of the down. Premium snow-white domestic down is encased in a 230-thread-count cambric cotton shell. Shell is down- and feather-proof, preshrunk, and finished with double-needle stitching and cotton cording. Down alternative duvet insert also available.