100% Memory Foam COMFORT: Serta iComfort provides unparalleled comfort, conforms to the curves of your body, and helps you sleep cooler by channeling heat away from the body SUPPORT: Lightness, flexibility, strength, and durability of carbon microfibers combined with the pressure-relieving comfort of breathable memory foam technology PRESSURE RELIEF: High‐density design provides a superior support curve, with pressure relief in low compression zones and added support in deeper ones DURABILITY: High‐quality foam reinforced with carbon fiber provides superior durability for years of use Made in the USA