King Koil

King Koil Whitby Foundation


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Give your new mattress the support it needs to perform at its absolute best by adding King Koil’s Whitby Foundation, available in a 5-inch low profile or 9-inch standard height to fit your needs. Well-crafted for lasting quality, this wood frame foundation, also known as a box spring, utilizes a Nordic hardwood frame combined with a semi-flex steel inner body. Extending the lifespan of your mattress and promoting a more restful night’s sleep— the sleek design allows it to blend easily into various bedroom atmospheres.


  • Includes foundation only
  • Available Heights: 9” Standard or 5” Low-Profile
  • Nordic hardwood framing support.
  • Semi-flex steel inner body
  • Complete your sleep sanctuary by pairing this foundation with the King Koil Whitby Euro Top Innerspring Mattress
  • Warranty: 10 year
We have purchased all of our bedding for the last 30 years from City Mattress and your products and services have been consistently excellent. Thank you!!! Newton B. Green II