SERTA Knox Firm Twin XL Mattress with High Profile Box Spring

SKU#: 66974320

Suggested Retail $2,300.00

$899.00 On Sale

Save 60%

  • Not on Display in Omaha Store
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  • Estimated arrival to Omaha Store: Tue 01/07/25.

Product Description
Package Includes: 9" Twin XL Serta20 Foundation & Twin XL Knox Firm Mattress


Experience premium support and perfect sleep with our new Serta Quilted Perfect Sleeper X collection. Our 5 ZoneResponse design is comprised of perfect Conform memory foam paired with 5-zoned coils for full-body alignment. Sleep comfortably cool throughout the night with cooling technology and graphite-infused memory foam designed to redistribute heat away from your body. A quilted top offers a classic feel and added layer of plush foam. Xtraordinary sleep is possible, with Serta Quilted Perfect Sleeper X.


  • 5 ZoneResponse design - combines coils and contouring memory foam full-body spinal alignment designed to offer comfort and support where you need it most

  • Perfect Conform memory foam - premium, graphite-infused memory foam designed to provide targeted pressure relief and redistribute heat away from the body

  • EverCool supreme memory foam - a dynamic combination of cooling gel and premium memory foam to cradle and cool you in a pressure-relieving embrace

  • Cool Twist gel memory foam - cooling gel swirled into premium memory foam offers enhanced airflow, heat dissipation, and contouring comfort

  • Due to lighting and monitor differences, actual colors and finishes may vary slightly from what appears online
  • General
    Adjustable Base Compatible Yes
    Base Type 9" High Profile
    Comfort Level Firm
    Foam Type Memory Foam
    Mattress Construction Hybrid
    Mattress Height 13.5
    Mattress Size Twin XL
    Mattress Tailoring Tight Top
    Product Type Mattresses