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King Koil iBed Maddox Firm King Mattress

Model #: 7424KK-1060
King Koil
At a Glance
The King Koil iBed Maddox firm mattress is a unique design which will elevate your sleeping experience. With 4000 micro coils near the sleeping surface, you will experience a responsive and conforming sleep like no other. With the addition of breathable, cooling foams, you'll enjoy a cooler night's sleep for a better night's rest.
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$99,999.00Save $NaN

Get to know this product.

iBed Maddox Firm Mattress

King Koil’s latest innovation in luxurious sleep combines enhanced cooling comfort technologies with over 1000 responsive and pressure relieving pocketed coils for ideal support. The iBed collection is conveniently packaged to deliver right to your front door and available in firm, medium and plush comfort designs. Enjoy the experience of these high quality iBed designs each morning when you wake up ready to take on the day.

  • 11? Mattress Height
  • 4K Micro Coil
  • HypurAir Gel
  • Graphite Infused Memory Foam
  • iFusion Technology (gel-memory foam)
  • Perfect Form Core
  • Express Comfort Delivery

4K Micro Coils

The ultimate in comfort, luxury and pressure relieving support is found with the 4000 micro encased coil system.

HypurAir Gel

This highly resilient gel infused memory foam responds and adapts to your body’s movements to main an optimal sleeping surface temperature. Strategically placed perforations allow for increased airflow to dispense heat away.

Graphite Infused Memory Foam

An open cell structure memory foam combined with graphite provides a breathable heat-removing surface to disperse heat away to keep you cool throughout the night.

iFusion™ Technology (gel-memory foam)

A combination of open cell memory foam and pressure relieving gel resulting in an optimal temperature sleeping surface while still conforming to every curve of your body.

Perfect Form Core

This foam core provides a luxurious balance of comfort, support and durability for an ultimate night’s sleep.

Comfort Design

  • 4K Micro Coils
  • HypurAir Gel
  • Graphite Infused Memory Foam
  • iFusion Gel Memory Foam

Support Design

  • Perfect Form Core

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


Misc. Specs

Height (in.)11
Made InUSA
Mattress SizeKing
Width (in.)80
Length (in.)76
Manufacturer Warranty10 Year
Mattress Comfort LevelFirm
Mattress ConstructionPocketed Coil
WarningProposition 65 Warning for California Residents