The lasting resilience of the Beautyrest Silver BRS900 mattress, ensures you'll be more awake every day for years to come. Simmons Beautyrest Silver is engineered to maintain its shape and consistent comfort over the life of your mattress. Featuring 900 Series Beautyrest Pocketed Coil Technology that provides flexible support precisely where it is needed and isolates motion between two sleepers. The DualCool Technology is an antimicrobial performance layer that works to keep your mattress fresh and cool while moving heat and moisture away, so you sleep at your ideal sleeping temperature. Get the plush feel right where you need it most with Gel Memory Foam Lumbar Support.