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Beautyrest Black KX-Class Firm

Beautyrest Black KX-Class Firm


Upgrade to KX-Class

As the premier offering in our most advanced collection yet, Beautyrest Black® KX-Class includes everything you’ll find in the CX-Class and LX-Class models plus an extra layer of 2K Nano Coils to create our most robust support system and enhanced conformability. Additionally, KX-Class models feature up to 2x more memory foam for even more pressure relief.****

*This product does not protect users against bacteria, viruses, germs, or other disease organisms.

**in the center-third of mattress, exact percentage varies by model

***vs. Beautyrest® Harmony Lux™ Collection for the first 20 minutes

****lumbar pressure relief


Comfort Type


Mattress Height



Anti-Microbial Protection*

Comfort Layers

BlackICE™️ with Plant-Based Cooling Technology

1” AirCool™️ Memory Foam

1” Ultra HD Memory Foam

1” Comfort layer made with Alpaca, Cashmere, and Silk Fibers

1 1/2” HD Memory Foam

1/2” Self-Response™️ Latex

1 1/2” Energy Foam

Support System

1” 2K Nano Coil

Powered by T3 Pocketed Coil® Technology

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