Kingsley Firm

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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
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  • Quilt: Silk & Wool Blend Safeguard Fibers, 1" AdvantaGel, 1/2" High Performance Foam
  • Top Panel: 1" Everlast® Foam, 1" iFusion™ Technology
  • Upholstery:
  • Coil:Perfect Contour Reaction (PCR) Coil System (8"), (1022 Hi / Low Encased Coils)
  • Edge: Excellent Edge™ Foam Encasement
  • Base:1 1/2" Balanced Base Foam
  • Warranty:10 Year non-proprated warranty

Proper Spinal Alignment
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King Koil is the only mattress manufacturer that is endorsed by the International Chiropractors Association (ICA) to help promote proper spinal alignment and a healthier night’s sleep.

Individualized Support and Comfort
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Within King Koil's exclusive Perfect Contour® Reaction (PCR) Coil System, there are over 1000 Active and Reaction coils working together to comfortably support each individual body shape and size to improve postural alignment while reducing motion disturbance.

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.

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.

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

Adjustable Base Friendly
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Enjoy an even healthier night's sleep with this adjustable base compatible mattress design.

Temperature Regulation
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AdvantaGel™ – Intelligently designed infusion of gel and resilient foam offers a cooler sleep with luxurious comfort and durability.

iFusion™ Technology - A combination of 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
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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.

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