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Kingsdown Twin Xl High Profile Foundation

Not available in your region

SKU: 50883478

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

Black

Foundation height

9 inches

Pattern

Solid

Upholstery material

Fabric

39.00"w x 80.00"d x 9.00"h

4.1 out of 5 stars

Based on 3912 ratings
5
63%
4
11%
3
8%
2
6%
1
12%
Homemaker

Comfortable

We bought the tempur-pedic cooling memory foam mattress topper which is very comfortable to sleep on but the material is quite slippery and the sheets slide off the corners no matter what we do to keep them on. I have tried the clamp things to attach to the sheet and slides under the mattress but they just slide out. If you don’t mind putting your bottom sheet back on every morning then I would recommend them.

Review provided by Sealy

Reviewed On Feb 27, 2026
Ginny

Perfect Foundation

This review was collected as part of a promotion

This was perfect for my minimalist bed frame and really helped my bed with extra support!

Review provided by Sealy

Reviewed On Feb 27, 2026
Happy Customer

We Love This Bed

This review was collected as part of a promotion

This is our second Tempur-Pedic mattress. We feel as though no other mattress compares. We bought online and the process was easy, we had the mattress the following week and the delivery guys were efficient and nice.

Review provided by Sealy

Reviewed On Feb 27, 2026
Awesome nights

Comfortable pillows

This review was collected as part of a promotion

I really enjoy going to sleep now.

Review provided by Sealy

Reviewed On Feb 27, 2026
Sleepy Sloth

Very comfortable pillow

This review was collected as part of a promotion

I have slept with this pillow for a month, and I love how comfortable it makes both my neck and head feel, whether I’m on my back or on my side.

Review provided by Sealy

Reviewed On Feb 27, 2026