This exclusive mattress features a 4 way stretch knit designer fabric with cooling. This fabric will help keep you cool and conform to the sleeper's body shape. The Sadie mattress uses a 789 individual wrapped coil support system with a Quantum Edge to support and conform to the sleeper. This support system also helps reduce motion transfer between sleepers and allows the sleeper to sleep all the way to the edge. This mattress features cool gel quilt foam right up on top of the mattress to provide comfort, cooling, and support. High density foams also help provide complete support and comfort all night long. The ultra-plush foams provide an extra layer of softness to help you fall asleep quickly. The Sadie is also motion friendly so you can pair with a motion base to elevate your sleep. Get a great night sleep with the Sadie mattress. Set includes King mattress and (2) Twin XL foundations.