Beautyrest Black B-Class Extra Firm Mattress


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Why You’ll Love It

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  • 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.


A premier support system and multiple cooling technologies combine within the Beautyrest Black® B-Class Extra Firm Innerspring Mattress for your best sleep. Dissipating heat and moisture, the plant-based and DualCool™ technologies at the sleep surface work to maintain an ideal temperature above open-cell AirFeel® foam and two separate layers of firm comfort foam for higher pressure relief. Including Beautyrest® gel memory foam for maximum conforming support— the T3 Pocketed Coil® innerspring system with a zoned design offers resilient full-body support targeted where you need it most.


  • Exclusive to City Mattress
  • Made in the USA
  • Comfort: Extra Firm
  • Plant-Based Cooling Technology at Surface with DualCool™ Technology for a perfect sleep temperature.
  • Plant-Based Cooling Technology: Enhances heat dissipation just below the surface and helps deliver up to 18% more cooling power, keeping you more comfortable throughout the night.
  • DualCool™ Technology: Antimicrobial performance layer maintains a cool and fresh feel by moving heat and moisture away from the sleep surface.
  • AirFeel® Foam (Comfort Layer): 1-inch of soft, open-cell foam near the surface promotes high airflow to keep you more comfortable as you rest.
  • Firm Comfort Foam (Comfort Layer): ½-inch of comfort foam with a firmer density.
  • Beautyrest® Gel Memory Foam (Comfort Layer): 1-inch of gel-infused open-cell memory foam provides advanced pressure relief for conforming support in any position.
  • Firm Comfort Foam (Comfort Layer): 2-inches of comfort foam with a firmer density enhances pressure relief.
  • Zoned T3 Pocketed Coil® Technology (Support System): Triple braided cable coil of three steel strands wound into a single coil works to absorb energy, reduce motion transfer, and offer resilient support, while the zoned design delivers targeted support where your body needs it most.
  • BeautyEdge® (Edge Support): A foam encasement locks support and integrity from edge to edge.
  • Antimicrobial Mattress Protection keeps the mattress fresh and clean from odor-causing bacteria but does not protect users against bacteria, viruses, germs, or other disease organisms.
  • Adjustable friendly innerspring mattress
  • Complete your perfect sleep system and extend the lifespan of your new mattress by adding the Beautyrest® Black Foundation
  • Warranty: 10 year limited
  • To view a copy of this product's law label, search this database by entering Model Number 700811792 in the Product ID Search box.
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