Heartcosy Mulberry Silk Comforter – Breathable, Lightweight & All-SeasonWake up feeling just right every season. Most comforters leave you either sweating through summer or shivering on cold nights. Silk doesn't. Our Mulberry Silk Comforter naturally adapts to your body temperature, keeping you cool when it's warm and gently cocooned when it's not. Why mulberry silk and why ours is different Softer, stronger silk fill Filled with medium long strand mulberry silk the longer the fiber, the more resilient and lump resistant