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The Foundation

$359 $399
10% OFF

10% OFF

We reinvented the box spring. Our foundation provides excellent support under any Casper mattress and can be assembled in minutes. The Foundation also comes with a 30-night, risk-free trial.

Add an optional metal bed frame with the Foundation and any Casper mattress to create a perfect sleep setup.

Created to support your mattress, the foundation is proven to stand up to years of sleep. Set it up in minutes with easy, no-tool assembly.

Got questions?

Speak with our award-winning customer service or book a virtual appointment with a Sleep Specialist from our stores.

The bedrock of great sleep

Strong and sturdy

Engineered with solid wood, the foundation has been rigorously tested for durability and proven to stand up to years of sleep.

Perfectly spaced slats

Older box springs’ slats tend to be too far apart, leaving room for a mattress to sag. Our foundation’s slats are positioned a perfect four inches apart for optimal support.

Effortless assembly

It can be easily assembled and disassembled in a matter of minutes — and you don’t need to use any tools.

The Foundation

No-tool easy assembly

Frequently asked questions

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