Sealy Essentials™ Collection -Essentials go beyond basic, delivering the quality, support and comfort you expect from Sealy at an affordable price. Ultra-Stretch ComfortLoft™ Cover - Super-stretchable, mid-loft knit fabric designed to allow the mattress top layer to better conform to the body. Sealy ComfortSense™ Foam - The latest innovation in gel memory foam, designed to respond to your body’s unique shape for more comfortable night’s sleep. SealySupport™ Gel Base Foam - High quality firmer foam for a more supportive feel. The foams used in these Sealy mattresses are CertiPUR-US® certified. To be paired with a Sealy Essentials StableSupport™ Foundation - Exceptional engineering creates a durable base for the mattress, in coordinating fabric. Adjustable base compatible. 10 Year Limited Warranty. Mattresses and foundations within the same brand have been tested together to comply with consumer flammability standards. If you have any questions concerning which mattress, box spring, or adjustable base to purchase, see a Mattress associate at your local Sears store.