These Southerland Signature Collection Mattresses showcase the luxurious look and feel of Southerland's premium mattresses. 8" Individually Wrapped Coils support your every curve as it reduces motion transfer letting you sleep undisturbed. Dense foam around the perimeter of the mattress gives you a firmer edge and more sleep surface. Layers of comfort foam, including Gel Infused Memory Foam, relieves pressure and gives you a luxurious sleep surface. Sleep cooler and dryer with Natural Tencel™ fiber in the cover.