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Kingsdown Twin High Profile Foundation

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SKU: 50205559

KINGSDOWN Quality Craftsman Since 1904. A blue and white mattress on a bed frame in a modern, well-lit bedroom.
Style + SUBSTANCE. Since 1904, Kingsdown has handcrafted mattresses in the US with superior materials and quality.
Handcrafted Excellence
Handcrafted Excellence

Handcrafted in the United States, our master artisans are committed to better sleep through exceptional craftsmanship.

Finest Materials
Finest Materials

Every square inch of a Kingsdown mattress is handcrafted with superior materials, not just the parts you can see and touch.

Tested and Certified
Tested and Certified

Every single mattress is tested and certified before it leaves our hands to ensure consistent quality and accurate support.

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Kingsdown

For over a century, the Kingsdown name has been synonymous with unprecedented quality. Every detail is considered, and we ensure superior material selection and perfection, right down to the last stitch of our renowned tailoring. Since 1904, we’ve never compromised on comfort, and neither should you.

You'll Love Kingsdown

Sleep Cooler
Sleep Cooler

Kingsdown mattresses are designed to help regulate temperature for cooler, more comfortable sleep.

Motion Isolation
Motion Isolation

Individually wrapped coils decrease motion transfer, and select models feature an added buffer that runs the length of the mattress to mitigate partner disturbance.

Highly Rated
Highly Rated

Kingsdown mattresses are highly rated with over 20,000 reviews, averaging 4.7 stars and a 96% referral rate.

Kingsdown foundations are meticulously hand assembled using sustainably sourced Canadian Spruce, which is exceptionally durable. Each piece of lumber is not only heat-treated, but kiln-dried, which improves the performance of the wood over time. Each wooden slat is placed more closely together and cut a full inch wider than most manufacturers to provide a sturdier base.

Collection

Box Spring

Warranty

10 year limited warranty -

Code J -

View Warranty

Color

Gray

Mattress foundation profile

High profile

Pattern

Striped

Upholstery material

Fabric

Q&A answers generated with AI assistance.

What materials are used to ensure the durability of this foundation?

This foundation is meticulously hand-assembled using sustainably sourced Canadian Spruce, a material prized for its exceptional strength and resilience. To ensure long-term performance, the lumber is both kiln-dried and heat-treated. This professional-grade process removes excess moisture to prevent the wood from warping, shrinking, or cracking, ensuring a stable and silent base for years to come.


Can this foundation be used with a standard bed frame?

Designed with standard twin dimensions, this foundation is compatible with most traditional twin-sized bed frames. The exterior is upholstered in a gray striped fabric, providing a clean, neutral aesthetic that protects the internal wood structure while blending seamlessly with a variety of bedroom decors.


Is this foundation a good choice for someone living in an apartment or moving into a dorm?

Yes. Because this foundation arrives fully assembled, it eliminates the need for tools or complex setup in small living spaces. Its twin-sized dimensions (39"W x 75"L) and durable Spruce frame make it a reliable choice for apartment dwellers or students who need a high-quality support system that is ready to use the moment it’s delivered.


Why should I choose a high-profile foundation for my twin bed?

Standing at 9 inches tall, this high-profile foundation is ideal for those who prefer an elevated sleeping surface. In addition to the aesthetic appeal of a taller bed, the added height can make getting in and out of bed easier and is an excellent way to give a standard twin mattress a more substantial, prominent presence in a guest room or child's bedroom.


What is the difference between this foundation and a traditional box spring?

Unlike a traditional box spring which contains metal coils, this is a true foundation featuring a solid wood slat system. This rigid design offers a firmer, more consistent support surface that is less prone to the squeaking and "bouncing" often associated with older box spring models. It is specifically engineered to provide the stable platform required by modern, high-quality mattresses.


How does the slat design protect my mattress and its warranty?

Many mattress warranties require specific support standards to prevent sagging and internal damage. This foundation is engineered with slats that are cut a full inch wider and placed closer together than the industry standard. This dense support configuration provides a flat, rigid surface that preserves the structural integrity of foam, hybrid, and innerspring mattresses alike.

39.00"w x 75.00"d x 8.50"h

4.4 out of 5 stars

Based on 777 ratings
5
75%
4
10%
3
4%
2
3%
1
8%
Mr. Guymandude

Nice foundation

This review was collected as part of a promotion

It looks nice, does the job, and wasn't too expensive.

Review provided by Tempur-Pedic

Reviewed On Jul 28, 2026
Too Tall Jones

My dog can jump on the bed again

This review was collected as part of a promotion

We have used a standard Tempur Pedic foundation for years. As the mattresses got thicker, our bed got taller and the little dog got older. She needed help into the bed every night. I ordered this ultra low profile foundation to help the problem. It is 4 inches lower than the last one and it even makes the room look larger. Little Goldie can jump up just fine now and it is easier for us to get in and out of. Wish I would have done this sooner.

Review provided by Tempur-Pedic

Reviewed On Jul 24, 2026
Bed sleeper

Good bed

This review was collected as part of a promotion

Good bed

Review provided by Tempur-Pedic

Reviewed On Jul 14, 2026
JO

Damaged Delivered Box, Missing Essential Frame Part

Ordered the king Tempurpedic mattress frame. Delivered by UPS with both ends of the box torn open. Unfortunately, one expander bar, essential for assembly, is missing and therefore have to postpone delivery of our mattress by 5-7 days due to filling out a missing parts form and getting the part via UPS. I have photos of the box, however, no place to upload them. Hopefully there will be some accountability by UPS.

Review provided by Tempur-Pedic

Reviewed On Jul 13, 2026
Ashley

No trial period, not a great product

This review was collected as part of a promotion

I have had Tempur-pedics for 20+ years and I’ve always liked the mattresses. However, this is different. There is no 90-day trial period so if you buy and don’t like it, you’re stuck. Huge, tacky patches with the logo on multiple sides. Very cheap quality material. Not what I have come to expect from Tempur-pedic.

Review provided by Tempur-Pedic

Reviewed On Jul 11, 2026