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SmartBase® Classic Mattress Foundation

Engineered with sturdy mattress support and lots of underbed clearance space, the SmartBase Classic Mattress Foundation is a piece so functional that it’ll never go out of style. Uniquely designed for optimum support and durability, this innovative foundation is built with a solid steel frame and mattress platform that supports your mattress without the need for a box spring. The Classic SmartBase also features multiple points of contact with the floor that help improve stability and prevent your mattress from sagging over time. Even more impressive? This metal foundation’s 13 inches of underbed clearance space that gives you ample room for your extra storage bins and boxes. And the whole thing comes together in under an hour using the included tools and our simple step-by-step instructions. A 5-year warranty is also included, so having a reliable place to lay your head is the last thing you’ll ever need to worry about.

  • Durable metal frame
  • Ample storage space underneath
  • Fast, easy assembly with no tools
100-night trial
Free shipping
5-year warranty


SmartBase® frames are compact and can be folded up easily for moving, storing, and traveling!

You can attach a headboard to all of the Zinus SmartBases using the SmartBase headboard brackets. A footboard is not applicable for this product.

Yes. This bed frame is meant to be used with a box spring, which is sold separately. Try our No Assembly Metal Box Spring.