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Kingsdown

Kingsdown Onyx Sleep Firm Mattress

SKU: ONYXSLEEP-QFM

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$549.99 $849.95 Save: 35%

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Why You’ll Love It

Firm
1 5 10
Soft
  • adjustable friendly

    Upgrade to better sleep— elevate your support and discover the perfect mattress with adjustable bed base compatibility.

  • innerspring mattress

    It's a classic for a reason— durable support and responsive springs combine for your best, undisturbed rest.

  • memory foam

    With a targeted response to body weight, contouring quality, and hypoallergenic design— brighter mornings await.

Description

Sleep deeply and well-supported with the handcrafted softness of Kingsdown’s Onyx Sleep Firm Innerspring Mattress, made in the USA from premium materials. Topped with gel fibers for a soft feel and resilience, the firm gel quilting foam below promotes luxuriously cooling comfort alongside an extra layer of pressure-relieving firm gel foam. The individually wrapped coils within the innerspring system deliver personalized, full-body support and minimal motion transfer, while ultra-strong perimeter coils reinforce the edge for 100-percent surface usage.

 

  • Made in the USA
  • Comfort: Firm
  • Gel Fiber: Micro-denier polyester fiber provides a resilient and exceptionally soft feel.
  • Firm Gel Quilt Foam: Provides extra luxurious cooling comfort with a firmer feel.
  • Firm Gel Foam: Comfort layer of cooling and resilient gel foam enhances pressure point relief.
  • Wrapped Coil Innerspring System: High coil count innerspring system with individually wrapped springs to contour to the body and provide personalized support while minimizing partner disturbances.
  • Perimeter Coils: Firm coils on all sides for edge support.
  • Made with CertiPUR-US® Certified foams.
  • Twin Size Dimensions: 39" W x 75" D x 11.5” H
  • Twin XL Size Dimensions: 39" W x 80" D x 11.5” H
  • Full Size Dimensions: 54" W x 75" D x 11.5” H
  • Queen Size Dimensions: 60" W x 80" D x 11.5” H
  • King Size Dimensions: 76" W x 80" D x 11.5” H
  • Cali King Size Dimensions: 72" W x 84" D x 11.5” H
  • Adjustable friendly innerspring mattress
  • Certified by the Sleep to Live Institute® to deliver proper postural support.
  • Experience next-level personalized support by adding our City Mattress Rio 2.0 Adjustable Bed Base
  • Warranty: 10 year
We have purchased all of our bedding for the last 30 years from City Mattress and your products and services have been consistently excellent. Thank you!!! Newton B. Green II
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