Stearns & Foster Estate Firm II Split King Mattress With Head Up Only Base
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SKU: 5914830P
Crafted with high-quality materials, including exclusive hybrid and innerspring technologies that provide long-lasting stability night after night.
Indulgent memory foam layers adapt to your unique body shape for pressure relief where you need it.
Sleep comfortably in any season thanks to additional cooling technology like improved airflow and cool-to-the-touch covers.
TrioTemp Cooling Cover combines TENCEL fibers, cool-to-the-touch yarns, and heat-diffusing material for a cool night's sleep. TEMPUR-Indulge Memory Foam is an exclusive memory foam that perfectly matches the curves of your body for premium pressure relief. Exclusive IntelliCoil Innersprings respond to various types of pressure to deliver personalized support. PrecisionEdge provides a long-lasting, durable border that lets you sit or sleep on the edge of the mattress. Air vents increase airflow within the mattress and release warm air throughout the night. Conveniently raise or lower the head of your mattress using the RTG Sleep 2900 adjustable base with wireless remote control.
SKU: 5914830P
Features
Adjustable / Innerspring
Collection
Estate Firm II
Q&A answers generated with AI assistance.
What features and controls are included with the adjustable base?
The included RTG Sleep 2900 adjustable base is a head-up power foundation measuring 37.5"W x 80"D x 15"H per side. It operates via an easy-to-use wireless remote control that lets you effortlessly raise and lower the head section of your mattress to custom angles for sleeping, resting, or upright lounging.
What size sheets and bedding are needed for this split king mattress set?
A split king setup consists of two individual mattress sections measuring 38"W x 79"D each, which corresponds to standard Twin XL dimensions. To allow each side of the mattress to elevate independently without pulling the fabric, you will need two separate Twin XL fitted sheets. You can then finish the bed with a standard King flat sheet, King blanket, or King duvet across both sides to maintain a unified appearance when the head sections are flat.
How does the split head-up design benefit couples with different sleep habits or snoring?
The split mattress configuration allows each partner to personalize their head elevation independently using a wireless remote control. If one sleeper experiences nighttime snoring, sinus congestion, or acid reflux, gently elevating the head of their mattress can help open airways and improve comfort without shifting or disturbing their partner on the other side. This independent articulation is also ideal when one person wants to sit up to read or watch TV while the other sleeps flat.
Will the edges of each mattress sag when sitting or sleeping near the middle?
This mattress is built with PrecisionEdge support, a high-density coil border that reinforces the entire perimeter of each mattress piece. This sturdy edge system prevents roll-off, stops excessive dipping when you sit on the side of the bed, and maintains a stable, supportive sleep surface right up to the center seam.
Can this innerspring mattress bend on an adjustable base without damaging the internal coils?
Yes. The mattress is constructed with flexible IntelliCoil innersprings paired with TEMPUR-Indulge memory foam, specifically engineered to articulate smoothly with an adjustable frame. The adaptive coil structure responds to pressure and bends naturally along the foundation's hinge point without compromising coil integrity, spinal alignment, or long-term support.
How does this mattress keep warm sleepers cool throughout the night?
The mattress manages heat buildup through a multi-stage cooling design. The exterior is wrapped in a TrioTemp cooling cover made with breathable TENCEL fibers, cool-to-the-touch yarns, and heat-diffusing materials that draw excess heat away from the body. In addition, built-in side air vents encourage continuous airflow through the coil core to vent warm air out of the mattress.
38"w x 79"d x 14.5"h, adjustable base: 37.5"w x 80"d x 15"h
