For a feeling of unmatched responsive cradling that follows your body's every move, our all-new iComfort SmartSupport(TM) Hybrid beds combine our exclusive EverFeel(R) Triple Effects(TM) Gel Memory Foam with our new SmartSupport(TM) Memory Coil System, the world's first system that offers support with the unique feel and response of memory foam. These advanced technologies are combined with the familiar look and feel of a cushion firm mattress.(br)(br) Your body gets the individualized support it needs from our most advanced Duet(R) Elite Individually Wrapped Coil Support System. It features strategically placed coils to balance comfort and support across the mattress, while BestEdge(R) Foam Encasement ensures an edge-to-edge sleeping surface.(br)(br) The HB300Q model offers a "cushion firm" feel, which combines a slightly firmer sleep surface with subtle, pressure relieving comfort.(br)(br) (b)1" Serta(R) PillowSoft(TM) Foam(/b)(br)(br) This extra-soft foam gently contours the body to provide enhanced cushioning.(br)(br) (b)1" EverFeel(R) Triple Effects(TM) Gel Memory Foam(/b)(br)(br) Helps relieve pressure points for increased comfort(br)(br) Provides added support to help with body alignment(br)(br) Aids in temperature regulation while you sleep(br)(br) (b)SmartSupport(TM)(/b)(br)(br) World's first memory coil support layer brings the unique feel and response of memory foam to an advanced spring system(br)(br) Compact layer features hundreds of individually wrapped, slow recovery coils that work with the foam layers above and below to continuously adapt to the contours of your body(br)(br) Helps provide additional conforming support without any of the unwanted springy feel of other support systems(br)(br) (b)1" Serta(R) PillowSoft(TM) Foam(/b)(br)(br) This extra-soft foam gently contours the body to provide enhanced cushioning.(br)(br) (b)1008 Duet(R) Coil Individually Wrapped Coil Support System with BestEdge(R) Foam Encasement(/b)(br)(br) Strategically placed Duet(R) Coils properly balance comfort and support across the entire sleep surface(br)(br) Responds to each sleep partner individually for cradling comfort and deep postural support(br)(br) More support in the center third of the innerspring(br)(br) Exclusive to Serta(br)(br)

Specifications

Height	84
Width	72
Featured-0	SmartSupportTM
Featured-1	1008 Duet(R) Coil Individually Wrapped Coil Support System with BestEdge(R) Foam Encasement