This upgraded hybrid mattress features the highest coil count Sealy® has to offer, with targeted support from Response Pro Zoned HD Encased Coils and adaptive, pressure-relieving ComfortSense™ Premium Memory Foam. The DuraFlex™ Pro ventilated edge improves breathability and durability, the soft knit cover with SealyChill™ is cool to the touch, and Surface-Guard Technology™ keeps the mattress protected.