Serta Perfect Sleeper Super Pillow Top Mattress, Cool Gel Foam, Innerspring, King Mattress only Helps reduce tossing and turning, which also relieves pressure points and decreases pain Helps keep you cool by drawing body heat away from the sleeping surface Top-of-the-line coil system that contours to the curves of your body and provides deep-down support Box spring sold separately Medium comfort and perfect for any way you sleep