The Memory on Top 1600 is an H3 Medium Firm Orthopedic Hybrid Mattress that combines a high-density Memory Foam comfort layer with a support core featuring 1600 individually pocketed springs arranged across 7 ergonomic support zones. Designed to deliver a more advanced sleeping experience than traditional pocket spring mattresses, it provides progressive body contouring, highly precise support and exceptionally smooth responsiveness to every movement throughout the night. The combination of Memory Foam and 1600 individually pocketed springs offers outstanding pressure relief, excellent breathability and superior motion isolation, making it an ideal choice for sleepers seeking premium ergonomic comfort.