The Beautyrest Bay Spring 14 luxury firm pillow top mattress uses an innovative construction and the latest technology for temperature management, comfort, and support for restorative sleep. Offering firm Pocketed Coil Technology with layers of comfort foam on top, the bed achieves a very unique feel that is both soft and supportive. 850 Density Pocketed Coil Technology forms the support base, with each individually wrapped coil moving on its own to provide constant support and spinal alignment, along with superior motion separation. The Bay Spring is infused with cooling technology including its SurfaceCool Fiber and AirCool BeautyEdge. These components are designed to help wick away heat and maintain breathability. The Beautyrest Bay Spring mattress is ideal for all sleeping positions. Try it today in store, or purchase online to take advantage of our 120-night sleep trial, and begin recharging your sleep.Dimensions: Twin: 39 W x 75 D Twin XL: 39 W x 80 D Full: 54 W x 75 D Queen: 60 W x 80 D King: 76 W x 80 D Cal King: 72 W x 84 D.BR Warranty.Comfort Level: 2.