XS 90

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What is Sleep iD?

Sleep iD is the result of extensive research between King Koil and the ICA. We have analyzed hundreds of people of all body types with varying sleep habits to learn which mattress construction properly supports different profiles of sleepers.

Launch Sleep iD

Comfort Index

We understand finding the right comfort surface is a personal preference and may vary among retailers. To achieve the right feel for you, we suggest you determine your needed support through Sleep iD and rest test mattresses at your nearest King Koil dealer.

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SIZE LIST PRICE
Twin $1,099.00
TwinXL $1,199.00
Full $1,199.00
Queen $1,299.00
King $1,599.00
California King $1,599.00

Price includes boxspring.
See store for mattress only price.

If you are looking for a premier hybrid sleep system, the XS 90 is your answer. King Koil introduces the highly breathable, cool and quick responding iNergex3 Foam Technology. Add the gel-infused memory foam, iFusion™ Technology and our Contour Luxury Plus encased coil system, and you wlll find the ultimate sleeping experience.

  • Top Quilt: iNergex3 Foam Technology
  • Top Panel: High Density Performance Foam
  • Upholstery:2 Layers of iFusion™ Technology
  • Coil:Contour Luxury Plus Encased Coil System
  • Edge:Excellent Edge™ Foam Encasement
  • Base:Balanced Base Foam
  • Foundation:Natural Wood Foundation
  • Warranty:10 year warranty

Reduced Motion Disturbance
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Enjoy an undisturbed night's sleep with our individually encased coil system. These independently wrapped coils conform to your body's curves while reducing any sense of motion if your partner decides to move or get out of bed.

Expanded Sleeping Surface
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Our Excellent Edge™ Foam Encasements provides greater stability, a firm seating edge and larger, more usable sleeping surface.

Copper Infused Surface
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Copper yarns are infused into the mattress comfort surface to protect you from odor and promote healthier skin while you sleep.

Optimal Sleeping Surface Technology
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Our iFusion™ Technology, intelligently combines open-cell memory foam and pressure-relieving gel cells resulting in an optimal-temperature sleeping surface while still conforming to every curve of your body.

Rapid Response Foam
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Enjoy the feeling of “sleeping on” our mattress and not the sinking, “sleeping in it” feeling with our iNergex3 Foam technology. Our iNergex3 foam is an energetic foam that is a highly breathable, cool and responsive. This pressure relieving foam conforms like memory foam but is highly resilient like latex, giving you the best performance of both foam technologies.

Pressure Relieving Support
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All King Koil mattresses offer foam and coil technologies to help relieve pressure points to reduce tossing and turning, resulting in a more comfortable and supportive night’s sleep.

Hybrid Technology - Best of Both Worlds
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King Koil has intelligently designed these sleep systems with special comfort foam technologies with body conforming encased coil systems to provide an ultimate sleeping experience.

Proudly Designed and Built in the USA
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All King Koil products have been designed in the USA since 1898.

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