SmartBase® Heavy Duty Mattress Foundation
The Heavy Duty SmartBase® is even stronger than your Monday morning coffee. Engineered with heavy duty steel and multiple points of contact with the floor, this frame is built tough enough to support up to 4400 lbs. With a frame this sturdy, you can bet that your mattress will be optimally supported for the long haul with absolutely no sagging.
Under bed storage 13"
Made of durable steel
Tool Free Assembly
Sleep on something made with just the good stuff. CertiPUR-US® certified foam is made without phthalates, flame retardants, formaldehyde, or harmful chemicals.
America's #1 mattress brand*
Over 1.1 million reviews from 25 million happy customers.
*Recognized by Newsweek and Statista as America's Best Home & Garden Brands 2023
Shipping is always free.
When you place an order on Zinus.com, please allow 2 business days for us to process your order and 3-7 business days for your order to arrive at your doorstep. We ship to the 48 contiguous states and the District of Columbia. We currently do not ship to Alaska, Hawaii, and U.S. territories.
* While shipping may be free, there may be a state-related recycling fee if you are from CA, CT, and RI. Please note, recycle fee applies to both mattresses and box springs.
Oh yeah! We’ve partnered with Affirm to provide flexible payment options. Approval is based on a soft credit check. To learn more about buying with Affirm, please visit https://www.zinus.com/pages/financing.
*Please note that, as of June 30th, 2017, Affirm loans are no longer available to residents of The Hawkeye State (Iowa) due to recent changes in state law.
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