Features Soft Knit Fabric Durable knit fabric with spun yarns for a soft feel next to your body. SealyComfort Extra Soft Foam In the quilt and comfort layers, high quality super soft foam. SealyComfort Zoned Gel Foam An additional layer of body-supporting gel foam placed where your body needs it most. Sealy Classic Coil Exclusive design provides the perfect balance of comfort and deep down support for a superior night's rest, double-tempered for the utmost quality. SolidEdge HD System A reinforced border around the mattress edge so you can use the full surface of the mattress, as well as providing a solid seating surface. Compatible Bases Flat Standard Boxspring - 9 inches A durable boxspring base for your mattress in a coordinating fabric. The 9 inches height is the standard height used when asking for a traditional foundation. Flat Low Profile Boxspring - 5 inches A durable boxspring base for your mattress in a coordinating fabric. The low profile is simply a matter or preference which can assist with many issues including making the bed lower and easier to get into. Ease Adjustable Base The head and foot of the Ease Base independently adjust with a wireless remote, creating virtually unlimited ergonomic positions. Return to laying flat with the touch of one button. Designed to be placed on the floor or on your existing frame. With additional accessories, sold separately, you can configure the legs of the base higher or lower. Reflexion 4 Adjustable Massage Base The head and foot of the Reflexion Base independently adjust with a wireless remote which features 3 pre-programmed position memory settings. Stress-ending massage options allow you to choose the zone and intensity of your relaxation experience. With additional accessories, sold separately, you can configure the legs of the base higher or lower.