Made from naturally breathable 100% cotton, the Mainstays Down Alternative Duvet is so soft it’s like being hugged by a cloud. Its super lightweight loft of down-like polyester filling provides comfort and lightness for spring and summer, or warmth and coziness for fall and winter. It features a box-stitch design with double-needle stitching to prevent the hypoallergenic fill from shifting, complete with an antimicrobial finish and a corded edge for a crisp, clean look.