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Stearns And Foster Twin Xl Low Profile Foundation

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SKU: 51048506

Stearns & Foster: Designed with Luxury in Every Layer. A couple relaxes on a premium blue mattress. Shop All.

Experience Timeless Design Night After Night

At Stearns & Foster®, materials aren’t just selected—they’re engineered to work in harmony, creating a sleep environment that feels indulgent and restorative.

Experience expert design and effortless sleep with Stearns & Foster®.

Support
Support

The exclusive IntelliCoil® Innerspring design offers personalized support by responding to various pressure points for unmatched support.

Pressure Relief
Pressure Relief

TEMPUR-Indulge™ Memory Foam adapts to match the curves of your body, delivering all-night comfort and pressure relief.

Cooling
Cooling

The ventilation system boosts airflow while cooling fibers regulate heat to help maintain your ideal body temperature.

Designed to Raise Your Sleep Standards

For Stearns & Foster®, luxury is in the details—the ones you can see and the ones you can only feel. From the stitching to the layering and finishing, skilled artisans use the finest materials in every step of the design process to deliver your most restorative sleep for years to come.

A solid surface foundation is engineered to provide years of stationary support. Designed and upholstered to complement our mattresses and your bedroom decor.

SKU: 51048506

Collection

Box Spring

Warranty

10 year limited warranty -

Code F3 - 10/10 -

View Warranty

Color

Gray

Construction

Solid surface

Foundation height

5 inch

Profile height

Low profile

Style

Contemporary

Upholstery material

Upholstered

Q&A answers generated with AI assistance.

Can two of these Twin XL foundations be used to create a King-sized bed?

Yes, this is a very common lifestyle application. Placing two Twin XL foundations side-by-side creates the standard footprint for a King-sized mattress (76"w x 80"l). This setup is particularly beneficial for homes with narrow hallways or tight staircases where a solid King foundation would be difficult to maneuver, and it is the required base for a "Split King" mattress configuration.


What is the primary purpose of this mattress foundation?

This mattress foundation is engineered to provide a solid, stationary surface that supports your mattress and prevents it from warping or sagging over time. Utilizing a proper foundation is also essential for maintaining your mattress warranty, as leading brands like Stearns & Foster require a completely flat, supportive surface to ensure the long-term integrity of the sleep system.


What materials are used in the construction of this foundation?

Built for exceptional durability, this foundation is crafted from high-grade wood combined with a high-gauge steel wire support structure. This hybrid construction ensures a rigid, non-flexing surface that provides superior stability compared to traditional box springs, making it an ideal pairing for both high-end innerspring and hybrid mattresses.


How does a "low profile" foundation differ from a standard-height model?

While a standard foundation typically stands about 9 inches tall, this low-profile version measures just 5 inches in height. This lower profile is an excellent choice for modern bedroom aesthetics or for use with thicker, high-profile mattresses, allowing you to achieve a comfortable entry height for your bed without the mattress sitting too high off the ground.


Is this mattress foundation compatible with memory foam mattresses?

Absolutely. Because this foundation features a solid surface construction, it provides the consistent, flat support that memory foam and hybrid mattresses require. Unlike older slatted bases that can sometimes allow foam to sink or "pocket," this solid surface ensures the mattress remains level, preserving its pressure-relieving properties.


Will I need to assemble the foundation after it is delivered?

No, this foundation is delivered fully assembled for your convenience. Our professional delivery teams handle the heavy lifting, allowing you to place the foundation directly onto your bed frame and set your mattress on top immediately, ensuring a hassle-free setup in your bedroom or guest suite.

39.00"w x 80.00"d x 5.00"h

4.7 out of 5 stars

Based on 160 ratings
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86%
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Smart shopper

Easy delivery

This review was collected as part of a promotion

Set up went well and now I have the right foundation for my new Kirkland Stearns and Foster Lakewood pillowtop.

Review provided by Stearns & Foster

Reviewed On Oct 25, 2026
Blondie

Like the higher platform!

This review was collected as part of a promotion

I am a fan of the higher platform. I do not bending over to tuck stuff in. This is a platform that is firm but not rock hard. I like it. So much better than my previous platform.

Review provided by Stearns & Foster

Reviewed On Oct 18, 2026
BK

Quality product

This review was collected as part of a promotion

Have been sleeping on new mattress and foundation for a few weeks and loving it. Amazing comfort and continue to be a huge fan of Stearns and Foster

Review provided by Stearns & Foster

Reviewed On Oct 15, 2026
Cozy sleeper

I can reach!

This review was collected as part of a promotion

Great height love that I can get in and out of bed easier and support is wonderful! No noise! It's been great!

Review provided by Stearns & Foster

Reviewed On Oct 13, 2026
Mini in FTL

The perfect base

This review was collected as part of a promotion

The perfect base helps ensure that our pillow top mattress functions as it should. The base provides the perfect height for our mattress and ensures that our mattress gives us years of service. I’m very happy with the decision to buy the base along with the pillow top mattress.

Review provided by Stearns & Foster

Reviewed On Oct 8, 2026