XS 50

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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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Twin $899.00
TwinXL $999.00
Full $999.00
Queen $1,199.00
King $1,499.00
California King $1,499.00

Price includes boxspring.
See store for mattress only price.

If you are looking for a slightly softer model than the XS 10, the XS 50 is designed for you. King Koil has enhanced the XS 50 by introducing our iFusion™ Technology. This open-cell memory foam structure combined with gel cells, allows natural airflow to release any body heat away. In addition to our Contour Luxury Plus Encased coil system, enjoy a cooler and comfortable night's sleep.

  • Top Quilt: iFusion™ Technology
  • Bottom Quilt: Super Soft High Performance Foam
  • Upholstery:High Performance Foam
  • Coil:Contour Luxury Plus Encased Coil System
  • Edge:Excellent Edge™ Foam Encasement
  • Base:Balanced Base Foam
  • Warranty:10 year warranty

Reduced Motion Disturbance

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.

Copper Infused Surface

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

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.

Pressure Relieving Support

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

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

All King Koil products have been designed in the USA since 1898.

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