This Elgin Court Firm Tight Top Mattress Set by Stearns & Foster features a temperature regulating Adaptive fabric technology works with moisture-wicking TENCEL™ fibres for improved breathability thats softer than silk and cooler than linen, an Hybrid design that delivers the perfect combination of comfort, technology and elegance that demands a premium, the primaSense Memory Foam with one inch of PrimaSense Ultra Memory Foam and three inches of Premium Gel Foam comfort layers to deliver an elevated feel and a one-of-a-kind patented coil-in-coil innerspring designed to support and cradle you with even more adaptive support for every type of sleeper. This mattress will bring all the support and comfort that you need to get a good night's sleep.