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Onyx Foundation

Mack Mattress

Onyx Foundation

Local Delivery / Pickup Only

Support your mattress on a sturdy wood foundation. For use with a traditional bed frame.

Current price range

$119–$149.5

Estimated from $3.62/month with PayTomorrow. See financing and apply

Availability

Choose your size to see availability

Choose your exact configuration

Ask about it in Columbus

Exact option pricing

Server-verified fulfillment

Local help when wanted

Height: 4" LP (Low Profile), 8" HP (High Profile)

The right bed. The right support. No pressure.

Put this item in context before you choose.

Support your mattress on a sturdy wood foundation. For use with a traditional bed frame. In-stock foundations may differ in color. For specific style questions, contact us or stop in your nearest store. The following foundation sizes are sold as sets and require two pieces to be added to the cart: - Split Full - Split Queen - King - California King

A frame or foundation has to work with the mattress, room, and desired bed height as one system. Mack can help confirm the practical details before you choose.

Need a detail that is not here? Ask us. We would rather give you a clear answer than guess.

Shop the collections

Everything for the way you sleep.

Explore Mack Mattress Essentials, the Cooling Series, and the Craftsman Series—plus adjustable bases, bedding and accessories, platforms, frames, and foundations.

Swipe through all 6

Mack Mattress Essentials

Queen mattresses from $299

Straightforward innerspring and hybrid comfort for everyday bedrooms, guest rooms, and first apartments.

Explore the collection

Mack Mattress Cooling Series

Queen mattresses from $1,149

Every mattress is breathable. Compare AirflowMax Gel, Copper, Titanium, and Gel Grid technology across selected models.

Explore the collection

Craftsman Series

Queen mattresses from $1,499

Traditional construction and modern luxury in responsive latex and contouring copper memory foam.

Explore the collection

Pillows, sheets & protectors

Complete the sleep surface with bedding chosen for feel, fit, protection, and everyday care.

Explore the collection

Adjustable bases

Raise the head or feet, compare positions, and build movement into the complete bed.

Explore the collection

Platforms, frames & foundations

Choose the support, finished height, and under-bed clearance beneath your mattress.

Explore the collection

4.7 on Google

Helpful service. No pressure. That’s what people remember.

Read Google reviewsCall or visit Mack
5.0
“They found the right balance of firmness and soft support for us. We have been sleeping comfortably ever since.”

Wendy S. · Google review

5.0
“You can tell this family-owned business cares about its products and customers. The price and warranty were hard to beat.”

Kennedy C. · Google review

5.0
“Steven was knowledgeable, patient, and helpful. He made the whole process easy and answered every question clearly.”

Amanda K. · Google review

5.0
“Knowledgeable, engaging, and genuinely no-pressure. I visited several stores, then came back to Mack to make my purchase.”

Grant C. · Google review

5.0
“A big purchase felt simple and straightforward. Steven asked the right questions and helped us find our best fit.”

Megan M. · Google review

5.0
“Great experience. Steven was helpful, informed, and kind. I would absolutely recommend Mack Mattress.”

Jeryl K. · Google review

5.0
“We bought four mattresses for college, a first apartment, and our home. They understood what we needed every time.”

Christy D. · Google review

5.0
“We have purchased three mattresses here. They focus on value, start with your budget, and never try to upsell you.”

Austin K. · Google review

5.0
“Both of my experiences were exceptional. When I needed a different size, the exchange was seamless and the team went above and beyond.”

Loretta P. · Google review

5.0
“Friendly, personable, and knowledgeable without being pushy. I will not buy a mattress anywhere else.”

Adam V. · Google review

5.0
“The team was friendly and helpful, never salesy. There was a great selection of beds at affordable prices.”

Seth S. · Google review

5.0
“They found a great mattress in our price range, delivered it, and picked up the old one. The whole experience was easy.”

Dylan M. · Google review

5.0
“They found the right balance of firmness and soft support for us. We have been sleeping comfortably ever since.”

Wendy S. · Google review

5.0
“You can tell this family-owned business cares about its products and customers. The price and warranty were hard to beat.”

Kennedy C. · Google review

5.0
“Steven was knowledgeable, patient, and helpful. He made the whole process easy and answered every question clearly.”

Amanda K. · Google review

5.0
“Knowledgeable, engaging, and genuinely no-pressure. I visited several stores, then came back to Mack to make my purchase.”

Grant C. · Google review

5.0
“A big purchase felt simple and straightforward. Steven asked the right questions and helped us find our best fit.”

Megan M. · Google review

5.0
“Great experience. Steven was helpful, informed, and kind. I would absolutely recommend Mack Mattress.”

Jeryl K. · Google review

5.0
“We bought four mattresses for college, a first apartment, and our home. They understood what we needed every time.”

Christy D. · Google review

5.0
“We have purchased three mattresses here. They focus on value, start with your budget, and never try to upsell you.”

Austin K. · Google review

5.0
“Both of my experiences were exceptional. When I needed a different size, the exchange was seamless and the team went above and beyond.”

Loretta P. · Google review

5.0
“Friendly, personable, and knowledgeable without being pushy. I will not buy a mattress anywhere else.”

Adam V. · Google review

5.0
“The team was friendly and helpful, never salesy. There was a great selection of beds at affordable prices.”

Seth S. · Google review

5.0
“They found a great mattress in our price range, delivered it, and picked up the old one. The whole experience was easy.”

Dylan M. · Google review