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Stearns And Foster Twin Xl Low Profile Foundation Pair (2 Twxl)

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SKU: 5914850P

Long-Lasting SUPPORT. Luxurious comfort and support you can't wait to come back to. Shop Now.
Ahhh-mazingly COMFORTABLE. Text describing Stearns & Foster mattresses.
Support
Support

Crafted with high-quality materials, including exclusive hybrid and innerspring technologies that provide long-lasting stability night after night.

Pressure Relief
Pressure Relief

Indulgent memory foam layers adapt to your unique body shape for pressure relief where you need it.

Cooling
Cooling

Sleep comfortably in any season thanks to additional cooling technology like improved airflow and cool-to-the-touch covers.

Intellicoil® Innersprings

The exclusive design of our IntelliCoil® Innersprings offers a unique level of support to every type of sleeper by responding to varying types of pressure for unmatched long-lasting comfort.

Stearns and Foster Twin XL Low Profile Foundation Pair (2 TWXL)

Collection

Box Spring

Warranty

10 year limited warranty -

Code F3 - 10/10 -

View Warranty

Color

Gray

Foundation height

5 inch

Profile height

Low profile

Q&A answers generated with AI assistance.

Can I use two of these foundations together for a King-sized bed?

Yes. This item is a Twin XL foundation pair, which is the industry-standard configuration used to support a King or Split King mattress setup. When placed side-by-side, these two foundations create a stable 80" x 78" surface, providing the necessary heavy-duty support and center stability required for larger, heavier mattress sets.


What is the benefit of choosing a low-profile mattress foundation?

A low-profile foundation, like this 5-inch model, is an excellent choice for modern, thicker mattresses. It provides the essential flat, sturdy support required to maintain your mattress's structural integrity and warranty while keeping the overall bed height at a manageable level. This is particularly useful in urban apartments or homes with contemporary furniture, as it prevents the bed from becoming too high and ensures your headboard remains a prominent focal point.


How should I maintain and clean the fabric on this foundation?

To keep your foundation looking newer for longer, vacuuming is the only recommended regular cleaning method to remove dust and allergens. For minor stains on the gray upholstery, our experts suggest lightly applying a mild soap and water solution. Based on our material care guidelines, we also highly recommend using a mattress pad to protect the entire sleep system from wear and moisture.


Is this foundation suitable for use with a memory foam or hybrid mattress?

Absolutely. This foundation provides the completely flat, solid surface that is critical for the performance of memory foam and hybrid mattresses. Unlike traditional slatted frames that can have gaps where foam might sag, the solid structure of this foundation ensures even weight distribution, preserving the responsive feel of your mattress and protecting your long-term investment.


Does this foundation require any assembly upon delivery?

No customer assembly is required for this foundation. It arrives fully constructed from our facility and is ready for immediate use. When you select our full-service delivery, our professional team will handle the heavy lifting and place the foundations directly into your bed frame, ensuring a seamless and stress-free setup for your bedroom.


How does a mattress foundation differ from a traditional box spring?

While they may look similar, Stearns & Foster foundations are engineered to provide a much sturdier, more rigid base than the flexible "give" of a traditional box spring. Crafted from high-grade wood with a high-gauge steel wire support structure, this foundation is specifically designed to prevent the warping or sagging of premium mattresses, ensuring long-lasting comfort and consistent support.

80"l x 39"w x 5"h

4.7 out of 5 stars

Based on 141 ratings
5
87%
4
4%
3
4%
2
1%
1
4%
Bill

Complements the mattress completely

This review was collected as part of a promotion

The foundation works like it’s supposed to..quietly and out of sight.

Review provided by Stearns & Foster

Reviewed On Aug 11, 2026
Tempur

Decent but does have a squeak

This review was collected as part of a promotion

Foundation seems to be decent quality, but does have a squeak when initially getting in bed on the edges. My old Tempur-Pedic foundation did not do that.

Review provided by Stearns & Foster

Reviewed On Jul 27, 2026
Hapy Sleeper

Perfect foundt

This review was collected as part of a promotion

This unsung hero is the perfect match for our brand new Stearns and foster mattress! It’s just the right height, well-made, and quality construction.

Review provided by Stearns & Foster

Reviewed On Jun 28, 2026
Great Foundation

Great Foundation

This review was collected as part of a promotion

This 9” Stearns & Foster Flat Foundation is the perfect height to give our new mattress a lift. It fits perfectly in our Queen bed frame. It is well made. Highly recommend this item.

Review provided by Stearns & Foster

Reviewed On Jun 8, 2026
not happy sleeper

Very lumpy mattress

This review was collected as part of a promotion

When we received this mattress, we expected an excellent product. What arrived was a lumpy mattress which have since returned. Very disappointed in the Sterns and Foster brand-- that we assumed would be excellent.

Review provided by Stearns & Foster

Reviewed On May 10, 2026