The Max Firm Pillow Top Hybrid Mattress from the Serta Perfect Sleeper X Quilted Hybrid collection combines firm support with a cloud-like pillow top for ultimate comfort. Designed with 5 ZoneActive Hybrid Support, it promotes full-body spinal alignment, while layers of graphite-infused memory foam and Perfect Conform™ Micro Coils deliver responsive, cooling comfort. Ideal for back and stomach sleepers, this 15.25" mattress fits deep pocket sheets and is CertiPUR-US certified, adjustable base compatible, and backed by a 10-year warranty. 100% USA-assembled with free delivery included!