Ensure your best sleep with responsibly sourced, certified eco-friendly, and exceptionally lofty bedding basics. Our down duvet inserts are filled with the finest 600+ fill power European White Goose Down, renowned for its natural large clusters, which provide toasty warmth, ultra soft comfort, and long-lasting wispy light fluff that remains, wash after wash. Crafted with a cooling 100% cotton cambric shell, featuring a remarkable three-dimensional baffle box construction — to keep the down & heat evenly distributed — double stitched seams to prevent poke-through, corner loops to tie onto our Duvet Covers for easy bed-making and finished with a lustrous satin piping all around.Use a duvet cover with this product, shop here.