Kingsdown Smart Match 2.0 Split King Mattress With Rtg-sleep 5900
Will It Fit?
SKU: 5410177P
Handcrafted in the United States, our master artisans are committed to better sleep through exceptional craftsmanship.
Every square inch of a Kingsdown mattress is handcrafted with superior materials, not just the parts you can see and touch.
Every single mattress is tested and certified before it leaves our hands to ensure consistent quality and accurate support.
You'll Love Kingsdown
Kingsdown mattresses are designed to help regulate temperature for cooler, more comfortable sleep.
Individually wrapped coils decrease motion transfer, and select models feature an added buffer that runs the length of the mattress to mitigate partner disturbance.
Kingsdown mattresses are highly rated with over 20,000 reviews, averaging 4.7 stars and a 96% referral rate.
The cooling cover is enhanced with soft, resilient gel fibers, while the silk and wool fibers wick away moisture.The gel quilt foam layer provides cooling comfort and enhanced pressure relief.Tri-Tech gel memory foam is infused with copper, silver and graphite for ultimate comfort, while the adaptive memory foam does not allow temperature to affect the ability to support.Hundreds of individually wrapped coils for personalized support. Firmer coils target the lower back for added support where it's needed most.An undetectable divider separates both sides of the mattress to reduce partner disturbance from movement.Conveniently raise or lower the head and foot of your mattress using the RTG Sleep 5900 adjustable base with wireless remote control.
Features
Adjustable / Innerspring
Collection
Smart Match 2.0
Warranty
10 year limited warranty -
Code J -
View WarrantyQ&A answers generated with AI assistance.
How does the included adjustable base improve the sleep experience for couples?
The RTG-Sleep 5900 adjustable base allows each sleeper to independently raise or lower the head and foot of their side of the mattress using a wireless remote. This is particularly beneficial for couples with different lifestyle needs, such as one partner wanting to sit up to read or watch TV, or for managing health concerns like snoring or acid reflux by elevating the head without affecting the other person's position.
Can this mattress help reduce motion transfer if my partner moves frequently?
This mattress excels at motion isolation through two primary features: the individually wrapped coils and the specialized undetectable divider. Because the coils move independently and the divider creates a physical break between the two mattress halves, vibrations from one side are not easily transferred to the other, ensuring a more peaceful sleep even with a restless partner.
How does this mattress provide support for sleepers with lower back pain?
This mattress is engineered with a specialized support system featuring hundreds of individually wrapped coils that contour to your body. To specifically address lower back discomfort, the construction includes targeted firmer coils in the center third of the mattress. This zones the support where it is needed most, helping to maintain proper spinal alignment throughout the night.
Will I be able to feel the seam or gap in the middle of this split king mattress?
This model is designed with an undetectable divider that separates both sides of the mattress. This innovative feature is specifically intended to reduce partner disturbance from movement while maintaining a cohesive sleep surface, effectively minimizing the physical sensation of the split while providing the benefits of independent movement.
Is this mattress a good choice for hot sleepers or humid climates?
Yes, this mattress utilizes a multi-layer cooling strategy ideal for temperature regulation. The cover is woven with silk and wool fibers, which are naturally moisture-wicking and breathable. Below the surface, a gel quilt foam layer and Tri-Tech gel memory foam—infused with copper, silver, and graphite—work together to dissipate body heat, making it an excellent choice for maintaining a cool sleep surface in warmer, coastal, or humid environments.
What type of sheets should I use for a mattress with this specific profile?
Because the mattress has a generous 16-inch height and is paired with an adjustable base, we recommend using "deep pocket" fitted sheets designed for mattresses up to 18 inches. Look for sheets with heavy-duty elastic or corner straps to ensure they stay securely in place as the RTG-Sleep 5900 base moves through various positions.
80"l x 76"w x 16"h; adjustable base: 14.50"h
