Does the Aviya Mattress come with a foundation? Customer Support July 19, 2019 16:41 While the foundation is not included, you may opt to purchase one at checkout. Related articles Does the Aviya Mattress contain any latex? How can I protect my mattress from Aviya? Does the Aviya Mattress have a break-in period? Does the Aviya Mattress have environmental certifications? Do I need to flip my mattress from Aviya?