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Beautyrest Black 'L' Class Extra Firm Mattress

Beautyrest black 'l' class extra firm mattress


Beautyrest black 'l' class extra firm mattress


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Why You’ll Love It

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Mattress Type
  • 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.

  • firm

    Keep your spine properly aligned and relieve lower back pain without forgoing comfort.

Details Details


Beautyrest Black L-Class Extra Firm


The L-Class Extra Firm is the hardest comfort within the Beautyrest Black® collection.  The SilkAir Fiber provides additional airflow along with the Antimicrobial Black Ice fiber for sleeping cooler.  The Beautyrest® Gel Memory foam combined with the Extra firm comfort foam enables advanced pressure relief and freedom of movement.  The T3 – patented Triple Braided Coil will provide the firmest support system within the Beautyrest® line-up. 


  • Made in the USA
  • Mattress Height: 13.5"
  • Extra firm with hard comfort
  • Temperature Management quilt package – Black Ice fiber
  • T3 – Triple Braided Pocketed Coil
  • 10-year manufacturer warranty

Free Local Delivery
& Set Up

At City Mattress local delivery and set up is always free...and there’s no minimum purchase. Our delivery experts work exclusively for City Mattress. They will deliver and set up your new purchase for free. Should you wish to remove your old bedding, we can do that for a nominal charge.

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After your online purchase is completed, you will receive a call to schedule a convenient delivery.

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Finance Your Purchase

Financing options are available on all products with approved credit. Come in to your local City Mattress store today and learn more.
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Perfect timing...couldn't be more happy with the delivery of my daughters new bed. Jay Weingart

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