With an engineering mix between nurture and nature fabrics, the Serta Tencel ™ and Cotton European Down Pillows are designed to provide superior comfort you can trust. The proprietary blend absorbs moisture due to its natural breathability features, while the 650 fill power of European Down natural fill offers the proper support and breathability properties, promoting itself as the best choice for people with night sweats or sensitive skin. Serta European Down, Jumbo