12.5" Restful Night Firm Mattress - Dual Cooling Technology, 800-Series Pocket Coils, Marvelous Middle Support (Twin/Twin XL/Full/Queen/King/Cal King)

Temperature-Regulating Design – Dual cooling system prevents overheating Targeted Firm Support – Marvelous Middle® Technology + HD foam base Motion Isolation – 800-series pocket coils reduce partner disturbance Pressure-Relieving Comfort – CoolFlow™ foams cushion without sacrificing support Long-Lasting Durability – DuraLast™ foam ensures years of firm comfort