Sierra Sleep Foundation

Designed to cater to your busy lifestyle and built to last, this innovative foundation is ready to assemble in the comfort of your home. The unique shippable design is the perfect alternative to the standard box spring. Constructed with a sturdy metal frame with rounded corners for safety, this is the last foundation you’ll ever need. Now you can have the support and comfort of a box spring without ever having to leave your house.

King mattresses require 2 Twin XL foundations