The 8.75" Saatva Foundation works well for low profile mattresses (11.5" or lower); the 4.75" height is a better option for standard profile beds (12" or above).

IDEALHOUSE Low Profile Queen Bed Frame, 6 Inch Heavy Duty Metal Queen Size Platform Bed Frame, Mattress Foundation with Steel Slat Support, No Box Spring Needed, Easy Assembly, Black ...

Therefore, you can try a Saatva mattress, foundation, and bedroom furniture for up to an entire year. ... There are platform bed frames that provide a sleek, low-profile look.

Our sleep writer found the seven best box springs and mattress foundations, ... If you like your bed closer to the ground, you’ll want a low-profile box spring around four or five inches tall.