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Therapedic Mystic Twin High Profile Foundation

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SKU: 50217720

Therapedic: One Of The Most Respected Names In Sleep For Over 65 Years. A woman relaxes on a Therapedic mattress.
A Legacy of Sleep Expertise
A Legacy of Sleep Expertise

Since 1957, Therapedic® has been helping people sleep better by combining decades of innovation with the latest advancements in sleep technology. Our commitment to better sleep continues to shape every mattress we make.

Award-Winning Mattresses
Award-Winning Mattresses

Therapedic® is honored to be recognized as the #1 Best Mattress Supplier in Furniture Today’s Reader Rankings, earning the top spot for four consecutive years.

Premium Value
Premium Value

At Therapedic®, exceptional value is built into every mattress. Carefully selected materials and expert craftsmanship come together to deliver lasting comfort, dependable support, and durability you can count on for years to come.

Quality Materials & Craftsmanship

We’ve earned a reputation as a leading bedding brand by engineering our sleep products using high-quality, safe materials and the latest technologies available.

GREENGUARD Gold Certified, our products meet rigorous standards for low chemical emissions—giving you added confidence in the quality of your sleep environment.

A high profile flat foundation provides support for the mattress while ensuring the best mattress feel - coordinated with Therapedic mattress aesthetics.

SKU: 50217720

Collection

Box Spring

Warranty

10 year limited warranty -

View Warranty

Color

Black

Mattress foundation profile

High profile

Pattern

Geometric

Profile height

9 inch

Upholstery material

Upholstered

Q&A answers generated with AI assistance.

Can this foundation be used with any twin mattress?

Yes, this flat foundation is designed to provide stable, uniform support for standard twin mattresses. Using a quality foundation is essential for preventing your mattress from warping or sagging over time. By providing a completely flat surface, it ensures you experience the best mattress feel while maintaining the integrity of the mattress’s internal structure.


What is the advantage of a flat foundation over a traditional box spring?

While they look similar, this flat foundation provides a sturdier, more rigid base than a traditional box spring. This design is specifically engineered to support modern mattress technologies, ensuring a consistent sleep surface that resists the "give" of older spring systems, which helps extend the overall lifespan of your mattress.


Does this foundation require assembly upon delivery?

No, this foundation is designed for convenience and arrives fully assembled. This ensures that the structural integrity of the internal support system is factory-verified, providing immediate, durable support for your mattress without the need for tools or complex setup.


How does the design of this foundation complement a bedroom's look?

This Therapedic foundation features a modern black upholstery with a geometric pattern, specifically designed to coordinate with the clean aesthetics of Therapedic mattresses. This high-end upholstered finish provides a polished look that allows the foundation to be used without a bed skirt in contemporary kids' or guest rooms.


What is the benefit of a 9-inch high-profile foundation for a twin bed?

A high-profile foundation like this one provides a standard 9-inch elevation, which is ideal for creating a traditional bed height. This added height makes it easier for older children and teens to get in and out of bed and provides a more substantial, authoritative presence in a bedroom compared to low-profile alternatives.


Is this 9-inch foundation suitable for a child's bunk bed?

For bunk beds and loft beds, safety rail height is a critical consideration. Because this is a 9-inch high-profile foundation, it may elevate the mattress too high, potentially leaving insufficient safety rail clearance. For bunk beds or beds where you want to keep the profile low to the ground, we recommend a slim bunkie board or a low-profile foundation instead.

38.00"w x 73.50"d x 9.00"h

4.4 out of 5 stars

Based on 754 ratings
5
75%
4
10%
3
4%
2
2%
1
8%
Dmuldawer

PURRfect scratching post

This review was collected as part of a promotion

It’s a good thing that this wasn’t returnable to begin with because my cat found and destroyed it within half an hour. It’s still holding the bed and is a sturdy foundation, but apparently it is irresistible to feline members of the family.

Review provided by Tempur-Pedic

Reviewed On Jan 28, 2026
Postscript

So far, so good.

This review was collected as part of a promotion

So far, this foundation is performing well.

Review provided by Tempur-Pedic

Reviewed On Jan 13, 2026
B

Quality product for a quality night sleep

This review was collected as part of a promotion

Great base for the bed of our dreams. Sits perfectly down in our bedframe to serve as the base of our mattress.

Review provided by Tempur-Pedic

Reviewed On Jan 13, 2026
Sleeping like a baby

Quality built platform

This review was collected as part of a promotion

This foundation is an excellent platform for your mattress. Fast and easy to find on the Tempurpedic website.

Review provided by Tempur-Pedic

Reviewed On Jan 11, 2026
First Time Owner

great sleep

This review was collected as part of a promotion

Very solid and firm. Great support.

Review provided by Tempur-Pedic

Reviewed On Jan 9, 2026