The 15 in. Pillow Top Mattress offers luxurious comfort, crafted with plush cushioning, advanced cooling, and targeted support to help you achieve deeper, more restorative sleep. It leverages Dual Cooling Technology with Phase Change Material to actively absorb and release heat for all-night temperature control, along with CoolGel Foam, HD2 CoolFlow Foam, and CoolFlow Plush Foam-layers that dissipate heat, boost breathability, cradle your body, and deliver soothing, deep pressure relief. This mattress includes a reinforced center third that provides 25% more lumbar support and cuts down on motion transfer between partners for uninterrupted sleep, plus a 700-individually wrapped coil system with 360° SuperEdge to enhance responsiveness, maximize sleep surface, and stop edge roll-off. DuraLast Support Foam also adds long-lasting resilience, keeping the mattress in shape and preserving its plush comfort over time. At 15 in. tall, the Pillow Top Mattress delivers a cloud-like sleep experience through its plush layers and advanced support, letting you sink into comfort and wake up feeling refreshed each morning. Size: medium.