- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
Track My Order
My Account
Toggle Nav
Search
1-800-455-1052
Live Chat
Twin XL Beautyrest Black K Class Medium 14.5 Inch Mattress + FREE $300 Visa Gift Card
Twin XL Beautyrest Black K Class Medium 14.5 Inch Mattress + FREE $300 Visa Gift Card
From $3,249.00
To $5,327.00
$4799
$4799
$3899
$3529
$3249
$99.98/mo suggested payments with 48 months special financing.
$99.98/mo suggested payments with 48 months special financing.
$81.23/mo suggested payments with 48 months special financing.
$73.52/mo suggested payments with 48 months special financing.
$67.69/mo suggested payments with 48 months special financing.
Expert Review
►
The Pinacle of Luxury
by Jed HarringtonThe Beautyrest Black K Class Medium is the best Beautyrest mattress available in the top of the line Black collection. This mattress combines the best comfort materials available with an attention to detail and craftsmanship not many mattresses today.
A Near Perfect All Around Comfort
The K Class Medium has a fantastic comfort level designed to strike a blend between comfort and support. With a comfort scale rating of 5 out of 10 (10 being the softest) this mattress is designed to provide good pressure relief and support, without sacrficing either.
The World's Premier Support System. TripledThe T3 Pocketed Coil System uses three steel strands, braided into one solid coil that absorbs energy, reduces motion transfer, and provides outstanding support, durability and undisturbed sleep.
Cool Sleep For A Better DayBlackICE 4.0 and RightTemp Memory Foam combine to provide an exceptionally cool sleep environment. BlackICE 4.0 uses 4 components to provide a cooler sleep surface, while RightTemp Memory Foam pulls heat away from the surface and dissipates it throughout the night.
Rest EasyCertiPUR-US certified comfort materials are independently tested to meet or exceed the highest quality standards.
Is This Good For You?If you're looking for one of the best luxury mattresses available today, and you want something that feels not too soft and not too firm, the Beautyrest Black K Class Medium mattress may be perfect for you. This mattress is made with the highest quality standards and carries a full 10 year warranty.
Details
Comfort This describes how a mattress feels. The Comfort Scale rating is based on how the cushioning materials conform to the body's shape. The higher the number the softer the mattress.
- Medium
- Comfort Scale Number 5
Quilt - Top of Mattress This is the outside cover on the top of the mattress. It covers and protects the comfort and support layers inside.
Comfort - Padding Layers This provides a cushioning layer between you and the support system in the bed. Different kinds of padding will provide different levels of comfort.
- .5" Plush Comfort Foam
- 1" Medium Comfort Foam
- 1" RightTemp Memory Foam
- 1" 2k Nano Coils
- 1" Beautyrest Gel Memory Foam
Correct Back Support System This is a general term used to describe how a mattress distributes and stabilizes body weight and maintains proper spinal alignment. Different materials provide different levels of support.
- T3 Pocketed Coil Technology
- 1.5" Energy Foam
- Coil Gauge: 14.7/17
- BeautyEdge Foam Encased Edge
Box Spring - Foundation (optional)
- Regular Box Spring Height: 9
- Low Profile Height: 5
Warranty This tells you what kind of warranty you have and how long it will last. A typical warranty lasts about 10 years.
- 10 year warranty against manufacturer's defects
- No Flip, No Rotate
- Non-prorated
Dimensions
| Size | Height | Width | Length |
| King | 14.5" | 76" | 80" |
| Cal King | 14.5" | 72" | 84" |
| Queen | 14.5" | 60" | 80" |
| Full | 14.5" | 53" | 75" |
| Twin XL | 14.5" | 38" | 80" |
| Size | Coil Count |
| King | 1051 |
| Cal King | 1117 |
| Queen | 815 |
| Full | 647 |
| Twin XL | 513 |
Works With All Bed Types
Box Spring
Traditional Frames
Adjustable Bases
Platform
Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!
120 Night In-Home Trial
- Try your mattress in the comfort of your own home for 120 nights!
- Just sleep on it for at least 30 nights so that your body can adjust to the new support system and if you are not completely satisfied within the 120 night trial, our sleep experts will help you select the perfect replacement!
- We'll also cover shipping and delivery! All you need to pay is a $139 processing fee.
- See Program Details Here »
Build Your Dream Bed
Delivery Info
Check Delivery Estimate
| Delivery Options & Timing: |
FREE IN-HOME SET UP & REMOVAL
Leave the heavy lifting to us with our white glove service!
- Our delivery team will take your mattress to your bedroom (up to 2 flights of stairs), set up your new mattress and remove the packaging
- You can expect delivery in 2 to 4 weeks*
- Our team can remove your old mattress for free when you select the option online
You'll be contacted by our carrier to schedule delivery. Someone must be home to accept delivery. Weekend and evening deliveries may be available for a nominal fee. Call us at 1-800-455-1052 for availability and pricing. Please note that furniture and bedding deliver separately from your mattress order.
*Please check your zip code delivery estimate on individual mattress model pages for a proper estimate. Remote locations can experience longer lead times.