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Sierra Sleep® By Ashley King Low Profile Foundation

Model #: M78X42
Sierra Sleep
At a Glance
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 of sturdy metal instead of wood for greater durability and longevity, 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.
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$99,999.00Save $NaN

Get to know this product.


  • Ready-to-assemble metal foundation
  • Low profile; 5" height
  • Removable fabric cover
  • Rounded corners for safety
  • All parts, tools and instructions are packed into one compact box that ships straight to your door
  • Assembly required

Ashley® Furniture is dedicated to empowering your design vision. Discover all the inclusive styles you desire, whether you're decking out your first apartment or designing your dream home. Starting from travel-inspired sketches and backed by 70 years of experience, each piece is expertly crafted for years of enjoyment. At Ashley® Furniture, the work put into quality construction, unique stylings, and exceptional comfort matches the integrity of your home and family. From living rooms to patios, you’ll find exactly what you need for your space with Ashley® Furniture

*Foundation only, all other products sold separately. Images may not depict actual size.


Misc. Specs

Width (in.)75.5
Height (in.)5.13
Length (in.)78.88
Mattress SizeKing
Width (cm)191.77
Shipping Depth (cm)25.4
Shipping Height (cm)14.3
Shipping Width (cm)198.76
Foundation TypeLow Profile
Shipping Width (in.)78.25
Color Finish NameBlack
Shipping Depth (in.)10
Shipping Height (in.)5.63
Product Weight (lbs.)55
Height (cm)13.03
Product Weight (kg)24.95
Length (cm)200.36