Beautyrest Silver BRS900 12鈥?Extra Firm King Mattress, Cooling Technology, Supportive, CertiPUR-US, 100-Night Sleep Trial, 10-Year Limited Warranty, White-White

DualCool Technology: An antimicrobial performance layer that works to keep your mattress fresh and cool while moving heat and moisture away.
AirCool Foam: Get cool, comfortable sleep with AirCool Foam which has a channeled design that allows airflow through the mattress.
Comfort Foams: High quality comfort foams in different levels of plushness used in various constructions to create comfort preferences.
Gel Memory Foam Lumbar Support: Get support right where you need it most with Gel Memory Foam Lumbar Support.
900 Series Beautyrest Pocketed Coil Technology: Provides flexible support precisely where it is needed and isolates motion between two sleepers.