The Stearns and Foster Estate Collection Scarborough Tight Top Luxury Plush mattress offers excellent comfort for back and side sleepers. Estate collection mattresses include a variety of technologies to bring the best comfort to all sleep types. This mattress features PrimaCool Performance fabric a stretch-knit fabric that's soft, moisture-wicking and breathable. Advanced Adapt Foam brings conforming comfort with an ease of movement. PrimaSense Gel Foam is used to cradle the body and provide cooler sleeping. The IntelliCoil Advanced feature adapts to any body for the perfect level of support. The PrecisionEdge System offers better seating support and more usable sleeping surface. It also includes S&F Air Vents to promote air flow for increased breathability.