Acclaimed as the best pillow material in the world! features latex foam derived from sustainable rubber trees. The milky sap tapped from these tropical trees is converted to a soft, resilient foam. The shredded latex pieces combine to offer a traditional pillow feel that is both resilient and comfortable.Rayon From bamboo cover is breathable and sleeps coolUnique foam consistency provides superior pressure relief and can eliminate sleeping painNaturally hypoallergenic and dust mite resistantShredded latex provides excellent airflow and sleeps coolShredded pillow filling provides a more familiar pillow feel.