Offering advanced sleep technologies of a premium mattress, the Stearns and Foster Cassatt mattress offers the best of firmness and comfort for a good night's sleep. A plush comfort layer hosts Stearns and Foster's exclusive Indulge Memory Foam, which delivers a comfortable feel with revolutionary pressure relief to provide reliable support. The one-of-a-kind innerspring system of IntelliCoil HD features a densely packed coil design to bring adaptive support for every type of sleeper, while a high-density coil border of the PrecisionEdge system ensures this mattress holds its shape. As an added feature, the AirVent ventilated coil system works with external air vents to increase breathability and promote cool, comfortable slumber throughout the night. To top it off, the quilted covering includes Tencel, a sustainably sourced fiber used in athletic wear designed to wick away moisture. 10 Year Limited Warranty - Code F3 - 10/10 - https://www.roomstogo.com/mattress/warranty/stearns-and-foster