Stearns and Foster Estate Ultra Firm Mattress gives you the most support and firmest feel – it's right there in the name. You also get advanced pressure relief and a sturdy, tight-stitched mattress top for a more responsive sleep experience. The IntelliCoil® innersprings support system and premium memory foam offers a relaxing feel you enjoy every night. The TEMPUR-Indulge™ Memory Foam provides elevated comfort and support you have to feel to believe. The PrecisionEdge™ Support layer helps prevent the mattress from sagging and ensures you can safely sleep anywhere on the bed. The Stearns and Foster Estate Ultra Firm Mattress helps you sleep deeper and sounder and wake up refreshed.