Priage Green Tea/Charcoal 6-inch Full-size Memory Foam Mattress Mattress measures 6 inches thick Top layer: 1.5 inches of 2.5 pound density Comfort Memory Foam layer Base layer: 4.5 inches of 1.8 pound high-density foam Memory foam is resistant to dust mits and is naturally antimicrobial This space age foam cradles your body, reducing pressure points that casue tossing and turning Foam adjusts to you body temperature so you stay warm