COMFORT REST MATTRESS The Comfort Rest is a perfect blend of firmness, comfort and temperature. It is foam encased which give you edge to edge support throughout the entire mattress. The Glacier cover is 25 -30 cooler than traditional fabric. 416 - 13.5 Gauge Spring Unit Foam Encased 1 3 4 in Quilt 2in Super Soft Glacier Cooling Fabric Adjustable Friendly 1 Year Warranty 12in Thickness