The Sealy Embody Introspection is the entry level model in the Embody by Sealy Visco Memory Foam line. The Introspection is the firmest of the Embody Memory Foam mattresses. The Introspection Embody Memory Foam Mattress is constructed from a 7", high density laminated polyurethane core, 2.5" of 5 pound Visco foam and a .5" top comfort layer of 2.5 pound Memory Foam. What does this mean? In simple terms, the solid high density foam core provides firm uniform support for the body, keeping neck and back better aligned. The two top comfort layers react to body weight and heat which cause the Memory Foam to conform to the shape of the body. The Introspection Embody Memory Foam Mattress is covered in an exclusive Body Climate fabric by Polartec. This material creates channels between the sleeper and the mattress to enhance air circulation assisting the body in regulating temperature resulting in a cooler sleep environment. The Body Climate fabric is also designed to wick away moisture for a dry comfortable sleep surface. Sealy Embody Introspection mattress features antimicrobial and dust mite-resistant memory foam.