The Royalty down-alternative comforter by J. New York features an ultra-soft cotton breathable fabric which is It’s specially engineered with an allergen-barrier fabric to prevent dust mites, pet dander, pollen and other allergens from inhabiting the comforter. It’s filled with ultra-lofty hypoallergenic fiberfill which provides a silky-smooth sleep surface, all-seasons warmth, and serene down-like softness for a luxurious night’s sleep. The sewn-thru box stitching construction prevents fiber shifting and the piped edges give it a fine finish. The comforter is generously oversized to accommodate all beds.