If you sleep on your side or back, this is the mattress for you. The Sealy Summer Rose 12” Medium Mattress, Eastern King features motion-absorbing encased coil technology with a reinforced edge for outstanding comfort, increased durability, and maximum support. Its soft knit antibacterial cover helps keep you feeling cool while protecting your mattress. Product Details: • Adjustable foundation friendly • Cooling materials and components draw out body heat for a cool, comfortable sleep • Hypoallergenic materials make this mattress ideal for those with allergies