Beautyrest Black® Hybrid LX-Class Firm 13.5" Mattress


Beautyrest Black® Hybrid LX-Class Firm 13.5" Mattress

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Size: Twin XL
  • Delivery in 4 - 6 Weeks*
Adjustable Base and Box Spring

Why Do Customers Love US-Mattress?

  • 120 Night In-Home Trial
  • Low Price Guarantee
  • Expert Customer Service
  • Family Owned and Operated


  • Enhanced Support: Beautyrest Black® & Beautyrest Black® Hybrid boast up to 21% more support precisely where your body needs it, thanks to our advanced Zoned T3 Pocketed Coil® Technology.

  • Cooling Technology: Our new plant-based cooling technology ensures up to 18% more cooling power, providing a comfortable sleep experience from the moment you drift off to the entire night.

  • Modern Design: Experience a modern and luxurious design that elevates your sleep to a first-class level, leaving you refreshed and ready to conquer your day.

  • Motion Reduction: The premier support system not only enhances support but also absorbs energy to minimize motion, ensuring an uninterrupted night's sleep.

  • Targeted Support: The center zone construction focuses on providing targeted support where you need it most, catering to your specific comfort needs.

  • Temperature Management: Our temperature management system, featuring plant-based cooling technology, keeps you cool and comfortable throughout your entire sleep cycle.

  • Immediate Pressure Relief: Layers of patented memory foams, including Aircool® Memory Foam & Beautyrest® Gel Memory Foam, deliver immediate pressure relief and personalized support.

*Note: Percentage of increased support varies by model, specifically in the center-third of the mattress. Cooling power is compared to the Harmony Lux Collection for the first 20 minutes.

Read More About Product


  • Pressure Relief
    Pressure Relieving

    Incorporates a layer of conforming materials that mold to your body, offering appropriate support and alleviation.

  • Supportive

    Incorporates a support mechanism designed to adapt to your body's contours, promoting balanced weight distribution for optimal alignment.

  • Cooling Technology
    Cooling Technology

    Incorporates materials and elements engineered to regulate temperature by dispersing heat away from the body, ensuring a cool and comfortable sleep experience.

  • Motion Transfer
    Motion Transfer Reduction

    Motion isolation attributes aid in separating your partner's movements, such as tossing, turning, or shifting during sleep, promoting longer, uninterrupted rest for you.

  • Adjustable Base Friendly
    Adjustable Base Friendly

    This mattress is compatible with adjustable bases, which can raise your head and/or feet, easing snoring, sinus pressure, enhancing circulation, and providing numerous other health advantages.


Height: 13.5"

Comfort: Firm

Quilting Layer

Antimicrobial Protection*

Comfort Layer

BlackICE™️ with Plant-Based Cooling Technology

1” AirCool™️ Memory Foam

1 1/2” HD Memory Foam

1” Firm Comfort Foam

1/2” GelTouch™️ Memory Foam

Support System

Zoned T3 Pocketed Coil® Technology

Energy Foam

Works With All Bed Types

  • Box Spring

    Box Spring

  • Traditional Frames

    Traditional Frames

  • Adjustable Bases

    Adjustable Bases

  • Platform


Your mattress purchase is fully compatible with the selections shown above!

Build Your Perfect Sleep System

Adjustable Base
Adjustable Base
A sturdy adjustable base puts you in control of your sleep setup.
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The perfect pillow creates the ideal balance of softness and support.
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Mattress Protector
Mattress Protector
Keep your mattress safe from stains, water, and changing temperatures.
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