Firmest support system with little to no cushion layer on top. These ultra-firm mattresses are typically best for stomach sleepers.
Firm
Firm support system with a minimal cushion layer on top. These firm mattresses are typically best for back and stomach sleepers.
Medium
Firm support system with added layers of cushion on top. These medium mattresses are typically best for all sleepers, including back, stomach, and side!
Plush
Softer support system with additional layers of cushion on top. These plush mattresses are soft enough for side sleepers, but still fit all sleeping types, including back and stomach sleepers.
Ultra-Plush
Softest support system, and the most added layers of cushion on top. These ultra-plush mattresses are typically best for side sleepers.
Select Shipping Zone
Enter ZIP code to find out if you are eligible for FREE delivery!
Beautyrest Black Series Three Extra Firm
The Beautyrest Black Series Three Extra Firm-
Individualized Support and Motion Separation Triple-Stranded Pocketed Coil® Technology offers our most advanced, lasting support for an undisturbed rest
Advanced Temperature Management
Sleep Climate™ Technology works at the mattress surface to help transfer heat away from the body
Cooling Comfort
Micro Diamond™ Memory Foam, infused with diamond particles, is designed to help transfer heat away from the body
Instant Pressure Relief SurfaceTouch™ Gel Memory Foam is quilted into the surface to unlock immediate pressure relief
Responsive Pressure Relief
Self-Response™ Latex contours to relieve your body’s unique pressure points
Conforming Support
2K Nano Coils, in Pillow Top models only, conform to your body for enhanced support
Discover where luxury meets innovation with Beautyrest Black®. Designed with Triple-Stranded Pocketed Coil® Technology, this mattress offers advanced individualized support and motion separation. Sleep Climate™ Technology works with a Micro Diamond™ Memory Foam upgrade to enhance heat transfer from the mattress, while SurfaceTouch™ Gel Memory Foam and Self-Response™ Latex upgrades conform to the body for responsive pressure relief. Experience our most advanced sleep system with Beautyrest Black®, so you can rest luxuriously.
Feel
Extra Firm
Support
Triple-Stranded Pocketed Coil® Technology, plus 2K Nano Coils in Pillow Top Models, offer enhanced, individualized support
Pressure Relief
Self-Response™ Latex and SurfaceTouch™ Gel Memory Foam conform to your body for responsive pressure relief
Temperature Management
Sleep Climate™ Technology and Micro Diamond™ Memory Foam help transfer heat away from the body
Motion Separation
Triple-Stranded Pocketed Coil® Technology offers our most advanced motion separation for an undisturbed rest
Made For
Back and stomach sleepers
Additional information
Brand
Beautyrest Black
Comfort Level
Firm
Cost Group
Best
Materials
BLACKICE™ 4.0 TECHNOLOGY
PLUSH COMFORT FOAM
MEDIUM COMFORT FOAM
BEAUTYREST® GEL MEMORY FOAM
RIGHTTEMP™ MEMORY FOAM
T3 POCKETED COIL® TECHNOLOGY
Firmest support system with little to no cushion layer on top. These ultra-firm mattresses are typically best for stomach sleepers.
Firm
Firm support system with a minimal cushion layer on top. These firm mattresses are typically best for back and stomach sleepers.
Medium
Firm support system with added layers of cushion on top. These medium mattresses are typically best for all sleepers, including back, stomach, and side!
Plush
Softer support system with additional layers of cushion on top. These plush mattresses are soft enough for side sleepers, but still fit all sleeping types, including back and stomach sleepers.
Ultra-Plush
Softest support system, and the most added layers of cushion on top. These ultra-plush mattresses are typically best for side sleepers.
Firmest support system with little to no cushion layer on top. These ultra-firm mattresses are typically best for stomach sleepers.
Firm
Firm support system with a minimal cushion layer on top. These firm mattresses are typically best for back and stomach sleepers.
Medium
Firm support system with added layers of cushion on top. These medium mattresses are typically best for all sleepers, including back, stomach, and side!
Plush
Softer support system with additional layers of cushion on top. These plush mattresses are soft enough for side sleepers, but still fit all sleeping types, including back and stomach sleepers.
Ultra-Plush
Softest support system, and the most added layers of cushion on top. These ultra-plush mattresses are typically best for side sleepers.
Firmest support system with little to no cushion layer on top. These ultra-firm mattresses are typically best for stomach sleepers.
Firm
Firm support system with a minimal cushion layer on top. These firm mattresses are typically best for back and stomach sleepers.
Medium
Firm support system with added layers of cushion on top. These medium mattresses are typically best for all sleepers, including back, stomach, and side!
Plush
Softer support system with additional layers of cushion on top. These plush mattresses are soft enough for side sleepers, but still fit all sleeping types, including back and stomach sleepers.
Ultra-Plush
Softest support system, and the most added layers of cushion on top. These ultra-plush mattresses are typically best for side sleepers.
Find out if you are eligible for FREE delivery:
Size Guide
While you can't go wrong with any of our mattresses, here are a few factors you'll want to consider before making a purchase: your sleep position (and if you have a partner, theirs as well), the size of the space, and a price point. If you have any questions, rest easy knowing that our team is happy to help you find that perfect fit.
Size
Dimensions
Twin
38″ wide x 75″ long x 9.25″ tall
Twin XL
38″ wide x 80″ long x 9.25″ tall
Full
54″ wide x 75″ long x 9.25″ tall
Queen
60″ wide x 80″ long x 9.25″ tall
King
76″ wide x 80″ long x 9.25″ tall
Cal King
72″ wide x 84″ long x 9.25″ tall
Split King (2pk)
38″ wide x 80″ long x 9.25″ tall
Foundations
Mattress World Northwest makes it easy to choose the right foundation for your space and lifestyle.
Adjustable
Dynamic adjustments improve comfort
Known to help relieve a myriad of health issues
Shipped boxed for easy installation
Platform
Utilizes closely set wodden slats
Ships boxed for easy install
Does not require a boxspring for support
Boxspring
Traditional mattress foundation
Compatible with most bedroom furniture
Can be used with simple steel frame
Bed Frames
Reliable support for your boxspring and mattress.
x
This site uses cookies to store information on your computer. By using the site, you consent to the placement of these cookies. Read our privacy statement to learn more.
