Beautyrest black 'l' class extra firm mattress

Beautyrest black 'l' class extra firm mattress


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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
Details Details
Mattress Type
  • adjustable friendly
  • innerspring mattress
  • Firm
    1 5 10
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& 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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Customer Reviews
4.9 Based on 13 Reviews
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Beautyrest Black L

We are enjoying our new extra firm mattress. It took a couple weeks to get used to but now we are pleased with it.

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class l extra firm

We traded the extra firm for a much more comfortable mattress. The misses much happier now.

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Very comfortable

Excellent nights sleep for both of us!

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Looking for comfort

We have been sleeping soundly since the first night! The support has been exactly what we both needed. My purchase experience was exceptional.

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My new mattress

I didn’t think a new mattress would make such a great difference Was I wrong I got some of the best sleep ever and no stiffness or aches upon waking

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Testimonials Background

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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