Beautyrest Black Hybrid X-Class Ultra Plush Mattress Review

Updated January 24, 2022

Beautyrest Black Hybrid X-Class Ultra Plush Mattress

The Beautyrest Black X-Class Ultra Plush is the softest, and most expensive ($3,399 for a Queen size) of the X Class models in Simmons' Beautyrest Black collection, of which there are four models.  It comes highly recommended for its pressure-relieving capabilities and its back support structure.  We've reviewed its features and highlights for you here:

Comfort Scale Rating

The Hybrid X-Class Ultra Plush mattress is a soft bed that we rate an 8 on our 10 point Comfort Scale (a 1 is hard, 10 is softest.)  At this comfort rating, you'll need to be certain that you're considering a much softer feeling mattress than most others.  If you feel that you'd need something a bit firmer I'd suggest one of the other X Class models, they come in four different comfort levels.

Expert Video Review

Here’s our quick X-Class Ultra Plush Mattress Video Review. It highlights the features, benefits, and our impression. 

Pros & Cons

PROS CONS
  • Premium materials throughout 
  • Hybrid construction is very popular 
  • Outstanding pressure relief
  • T3 Pocketed Coil System
  • Innovative design by Simmons
  • It will only appeal if you like a much softer bed
  • Memory foams can sometimes emit an odor that can take a while to dissipate  

See the bed

Pressure Test Results

The X-Class Ultra Plush mattress was tested with petite, average, and large body size people on their side and back sleeping positions to see what kind of support and comfort you can expect. (Learn how we test.) 

This mattress performed exceptionally well during our pressure testing, earning five out of six 'recommended' ratings for its ability to properly align your spine while you sleep while also relieving peak pressure point tension.  The one 'not recommended' rating for the side sleepers with larger-sized bodies came as no surprise as larger people tend to have excess pressure on the more plush mattresses.  How we can tell that there's excess pressure on that body is by the areas of red in the images below.  Yellow areas mean there's an increase in pressure and green areas are where the pressure relief is ideal.  Lighter blue areas show where the support for the body is correct for that body size.

This bed provides excellent lower back and neck support as well as outstanding pressure relief.  You need proper back support so that your spine gets aligned properly.  Pressure relief is just as integral to quality sleep because too much pressure causes you to toss and turn, interrupting your sleep and making you very grumpy the next day.  Please consider our pressure test results if you're thinking of purchasing this model as your next mattress:

BACK SLEEPER SIDE SLEEPER
LARGE PEOPLE Largest 10% of adults 210-273 lbs Large back sleeper heatmap Avg Pressure: mmHg - Area: inches2 Large side sleeper heatmap Avg Pressure: mmHg - Area: inches2
AVERAGE PEOPLE Middle 50% of adults 134-218 lbs Average back sleeper heatmap Avg Pressure: mmHg - Area: inches2 Average side sleeper heatmap Avg Pressure: mmHg - Area: inches2
PETITE PEOPLE Smallest 10% of adults 111-135 lbs Petite back sleeper heatmap Avg Pressure: mmHg - Area: inches2 Petite side sleeper heatmap Avg Pressure: mmHg - Area: inches2
BACK SLEEPER
LARGE PEOPLE Largest 10% of adults 210-273 lbs Large back sleeper heatmap Avg Pressure: mmHg - Area: inches2
AVERAGE PEOPLE Middle 50% of adults 134-218 lbs Average back sleeper heatmap Avg Pressure: mmHg - Area: inches2
PETITE PEOPLE Smallest 10% of adults 111-135 lbs Petite back sleeper heatmap Avg Pressure: mmHg - Area: inches2
SIDE SLEEPER
LARGE PEOPLE Largest 10% of adults 210-273 lbs Large side sleeper heatmap Avg Pressure: mmHg - Area: inches2
AVERAGE PEOPLE Middle 50% of adults 134-218 lbs Average side sleeper heatmap Avg Pressure: mmHg - Area: inches2
PETITE PEOPLE Smallest 10% of adults 111-135 lbs Petite side sleeper heatmap Avg Pressure: mmHg - Area: inches2

The Main Beautyrest Black Hybrid X-Class Ultra Plush Features in Detail

Hybrid X-Class Ultra Plush Cutaway Image

  1. 1. BlackICE Hybrid Technology

    Beautyrest's most advanced cooling technology, Black Ice Hybrid Technology feels incredibly cool to help you fall asleep faster and sleep cooler.  It helps to channel heat away from the body and expel it outwards.

  2. 2. RightTemp Memory Foam

    Simmons infuses carbon fiber into this memory foam for temperature management and durability.  This layer of foam also provides excellent pressure point relief.

  3. 3. AirCool Memory Foam

    AirCool memory foam cradles your body and relieves pressure to give the sleeper natural spinal alignment.  This layer foam is one that gives you a super soft feel, or the 'hug' sensation that plush mattresses are known for.

  4. 4. Self Response Latex

    Latex provides superior pressure relief for less tossing and turning while pushing back against the body for a more supportive feel.  Latex also offers anti-microbial and anti-dustmite properties for a cleaner sleep environment.

  5. 5. Beautyrest Gel Memory Foam

    Gel memory foam enables you to remain cooler while you sleep. The physics involved enables your body heat to dissipate quicker while also giving you conforming support for less tossing and turning throughout the night.

  6. 6. T3 Pocketed Pocketed Coils

    Exclusive to Beautyrest Black, this coil works to provide individualized back support, ease of movement, and pressure point relief throughout the night.  These coils all conform to each curve of your body individually for proper support and comfort

  7. 7. Energy Foam

    This durable foam utilized below the coil unit helps create a supportive, durable foundation for the no-flip mattress design.

Comfort Depth Video

We measured how far your hips and shoulders sink into the Beautyrest Black Hybrid X-Class Ultra Plush mattress with different body types.

Aaron's Comfort View

Richard's Comfort View

Andrew's Comfort View

Warranty

The X-Class Ultra Plush mattress has a 10-year warranty against factory defects.

Conclusion

The Black Hybrid X Class Ultra Plush mattress is the softest of the four X Class models and the most expensive at $3,199 for a Queen size.  It has the most layers of material amongst the four X-Class models which is what makes it the plushest.  Its pressure test results show that the bed will do an excellent job of relieving pressure points and supporting the back for proper spinal alignment for most people.  

This is one of the best hybrid models I've ever seen.  With the Beautyrest T3 Pocketed Coil system, which is exclusive to the Black models, three separate memory foam layers, and BlackICE Hybrid Technology this mattress is outstanding amongst all hybrid models.   

The bottom line with this mattress is if you're willing to spend top dollar for a very high-quality mattress that has excellent pressure-relieving capabilities.  If cost is no object and you want the softest hybrid mattress available then the X Class Ultra Plush is an excellent choice.  However, if you want to save some money then you could consider one of the other X Class models.  Simmons offers three other X Class models which range from $2,599 to $3,399 depending on which comfort you might like. 

Other Comfort Options

If you like the Beautyrest Black Hybrid X-Class collection, but would rather have it in a different comfort level, check out the other options below.

See the bed

Beautyrest Black X-Class Ultra Plush Specifications:

Product Name
Queen Price

$3,399.00

Brand
Simmons
Mattress Comfort
Ultra Plush
Comfort Scale Number
8
Coil Count
815
Coil Gauge
14.75
Height
15"
Comfort Padding Layers
Warranty
  • 10-year warranty against manufacturer's defects
  • No Flip, No Rotate
  • Non-prorated
Back Support System
Quilt Top of Mattress
Edge Support
Recommended For Side Sleepers Who Weigh
  • 134-218 lbs
  • 111-135 lbs
Recommended For Back Sleepers Who Weigh
  • 210-273 lbs
  • 134-218 lbs
  • 111-135 lbs

About The Author, Dave Higgins

Dave has worked in the furniture business, focusing on mattresses, for over six years.  He enjoys oil painting in the Impressionist style, playing guitar, and cooking for his family.  Dave also believes that English Bulldogs are the comedians of the canine world.