Carefully crafted to offer quality and value, the Stearns and Foster Lux Hybrid Firm Mattress combines two technologies to give you the best of both worlds. It features the exclusive IntelliFlex™ Hybrid System that pairs TEMPUR-Indulge™ Memory Foam Comfort Layers and traditional innerspring that work together to provide supreme comfort and sturdy support. This upgraded hybrid mattress gives you back support with a firm feel, advanced cooling and advanced pressure relief, taking your sleep experience to the next level. You get all-night comfort and support that supports your entire body as well as breathable air channels that keep you cool all night long.