Brand new still in plasyiSoothing sleep begins with the Sealy Silver Chill firm king mattress. Its combination of the DuoChill Cooling Sleep System, thicker comfort layers and exclusive Posturepedic Technology delivers comfort and targeted support so you sleep comfortably. Immersion advanced memory foam works with the innovatively designed Chill Tech Cover with Allergen Protect. This high loft, breathable and super stretchy cover delivers a soft initial feel and Sealys unique cool-to-the-touch technology. An additional layer of SealySupport firmer foam delivers a supportive feel. Sealy's latest innovation in gel memory foam, ComfortSense foam, responds to your bodys unique shape for more comfort. With exclusive Posturepedic Technology like the Response Pro ZONED HD encased coil system, you'll enjoy durable all-over support with 20% more coils in the middle of the mattressa spot where you need it most, especially for your back. This densely packed system of hourglass-shaped coils with a dual-stage design ensures personalized support. Each coil moves independently for more targeted support and reduced motion transfer. Plus, extra support is found around the mattress's edges with the DuraFlex coil edge system. Its high-density, flexible coil border surrounds the mattress for better edge support, a more usable sleep surface and