T1 Pocketed Coil™ Technology located in the center of the mattress for TARGETED SUPPORT SYSTEMeco-friendly TENCEL™ yarn breathability and moisture managementGelTouch® HD Foam - high-density gel infused foam contours to your bodyEvery Beautyrest® HarmonyTM and Harmony LuxTM mattress is made with SEAQUAL sustainable fabric, containing up to 50 recycled plastic bottles recovered from our oceans.