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King Koil Smart Life Lily Luxury Firm Queen Mattress

Model #: 7452KK-1050
King Koil
At a Glance
The SmartLife Lily Medium delivers the perfect balance of firm support and plush comfort. It’s a feel you must try out for yourself. Visit your local participating King Koil retail partner to experience the SmartLife technology adjusting to your unique body shape and size.
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$99,999.00Save $NaN

Get to know this product.

SmartLife Lily Luxury Firm Mattress

King Koil has developed a sleep system that adjusts to your unique body size and continuously adapts to the way you move. Smartlife features patented body sensing technology that adjusts to your body while you sleep, giving you support and comfort where you need it. Smartlife’s Smart Cell Technology includes over 80 individual Smart Cells in eight independently controlled zones using thousands of algorithms to give your unique body the support and comfort it needs.

  • 12" Mattress Height
  • King Koil SmartLife App
  • Massaging Relaxation Mode
  • Sleep Quality Tracking
  • Smart Alarm

Comfort Design

  • HypurGel
  • 4# RMF (responsive memory foam)

Support Design

  • Body Sensing Technology featuring Smart Cells
  • Foam Encasement

4#RMF™ (responsive memory foam)

This high-density memory foam responds and conforms to your body contours to evenly distribute weight preventing pressure points and less tossing and turning.


This highly resilient gel infused memory foam responds and adapts to your body’s movements to main an optimal sleeping surface temperature.

Patented Body Sensing Technology

Smartlife’s patented Body Sensing Technology automatically adjusts to each individual’s unique body shape, height and weight. It continuously monitors and adjusts to the individuals sleep position to ensure proper support and pressure relief is given for the perfect nights rest.

Smartcell Technology

Smartlife’s Smart Cell Technology incorporates 80 individual Smart cells and 8 independently controlled zones from head to toe.

Massaging Relaxation Mode

Utilizing the SmartLife App, select the Relaxation Mode which gently massages you from head to toe.


  • 25 Year

*Mattress only, other pieces sold separately. Image may not depict actual size.


Misc. Specs

Height (in.)12
Mattress SizeQueen
Width (in.)60
Length (in.)80
Manufacturer Warranty25 Year
Double Sided MattressNo
Mattress Comfort LevelFirm
Mattress ConstructionGel Memory Foam
WarningProposition 65 Warning for California Residents