Beautyrest Black B-Class Extra Firm

The Beautyrest Black B-Class Extra Firm mattress features Zoned T3 Pocketed Coil® Technology, Beautyrest’s premier support system. Plus, DualCool™ with Plant-Based Cooling Technology that Helps wick away heat and moisture for a cool, comfortable sleep.

Extra Firm Feel-Layered with exclusive foams, springs, and materials to give you the perfect support you need.
Sleepers who love a luxurious and cool sleep experience.

PureCare Silver five Sided Mattress Protector

from $110.00

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Healthy Sleep Ultra-Tech Advanced Pillow

from $99.00

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Multiple Colors

DreamFit Pima Cotton Sheets

from $129.99

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subtotal:

$1,849.99

get it Delivery date contingent on available inventory

Local
Delivery

Local delivery and set up is included for a flat fee of $69.99 within 25 miles of any Sit ‘n Sleep store.

We will also "haul away" your old mattress and box spring upon delivery of your new order: Just let us know!

Next day delivery on available inventory. Not applicable for UPS and FedEx orders. See our COVID-19 page for more information.

120-Night Sleep Trial

Buying a new mattress is not something you do everyday. Our 120-night sleep trial and comfort guarantee means you can rest easy.

10 Year Warranty

You spend a third of your life asleep on your mattress. Shouldn't you at least lay on it first? Come visit one of our 39 store locations and get comfy with your purchase.

Mattress Removal

We will "haul away" your old mattress and box spring upon delivery of your new order: Just let us know if you would like this service.

Add a Base and Frame:

Knickerbocker Promo Frame

from $67.00

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Primo Rapid Foundation

from $299.99

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Sealy Ease 4.0 Adjustable Base

from $899.00

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Have Questions?

We're here to help. Give us a call or visit your local store.

Extra Firm

Extra Firm Feel-Layered with exclusive foams, springs, and materials to give you the perfect support you need.

Key Feature

Zoned T3 Pocketed Coil® Technology-Provides targeted support, and is Beautyrest’s premier support system.

Ready for Your Best Night’s Sleep?

Antimicrobial Mattress Protection

PERFECT SLEEP TEMPERATURE

  • Plant-Based Cooling Technology at Surface with DualCool™ Technology
  • 1” AirFeel® Foam
  • ½” Firm Comfort Foam

PRESSURE RELIEVING FOAMS

  • 1" Beautyrest® Gel Memory Foam
  • 2” Firm Comfort Foam

PREMIER SUPPORT SYSTEM

  • Zoned T3 Pocketed Coil® Technology

1" Energy Foam
BeautyEdge®
Mattress is adjustable friendly - works well on motion bases.
Mattress Height (Approx.) 13.5”
10 Year Warranty

This manufacturer or product line does not offer promotional discounts so promotional or discount/coupon codes will not apply to this product. 

Zoned T3 Pocketed Coil is an exclusive, triple strand pocketed coil that offers enhanced support, as well as absorbs energy to reduce motion disturbance.

Additional Center Zoning helps provide up to 21%* more support where you body needs it most

BeautyEdge® Provides more edge support for a firmer and more stable perimeter allowing you to sleep all the way to the edge of the mattress.

Plant Based Cooling Technology Powered by 1 layer of advanced cooling technology that helps dissipate heat to keep you comfortable as you fall asleep & throughout the night.

Antimicrobial Mattress Protection Antimicrobial performance layer works to keep your mattress fresh and cool while moving heat and moisture away.

Approx. 

Twin XL 38" x 80" x 13.5" 

Full 54" x 75" x 13.5" 

Queen 60" x 80" x 13.5" 

King 76" x 80" x 13.5" 

CA King 72" x 84" x 13.5"

What Customers Are Saying