Offering the firm support you need combined with the cushioned comfort you crave, the Posturepedic Summer Day was designed to deliver your best night's sleep yet. Utilizing convoluted HyperSoft foam in the pillowtop layer closest to your body and multiple layers of advanced memory foams, this cushion firm mattress provides the body-hugging comfort you need to fall asleep. For the firm support your body needs, individually encased Sealy Embrace coils flex independently to provide targeted support to each of your body's curves. A CoreSupport layer reinforced with gel memory foam in the center third of the mattress provides additional support to the areas where your body needs it most. You can rest easy knowing you'll be supported from mattress edge to mattress edge thanks to the SolidEdge HD support system. And a knit cover made from spun yarn ensures that this mattress delivers a luxurious feel from the very first touch. 10 Year Non-Prorated Warranty.