The exclusive Charter Club by Sealy Restful Retreat Firm Euro Top Mattress features trusted Sealy quality with an upgraded high coil density Pocketed Spring Support System that has reinforced Steel Quantum Edge Coils. It's heavy duty pocketed springs reduce movement, allowing for an undisturbed side to side sleep while multiple layers of Perpetua Copper Latex and Gel Foams offer pressure relief and comfort, and a stretch knit cover with Cooling Fibers and Lurex Accents to help you sleep better. This Box Euro Top is the ultimate in luxury.