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Mattress Firm 300 Adjustable Base

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    Why Our Sleep Experts® Love It

    "If you are looking for increased pressure relief, this is the way to go with feet and head adjustment to just the right position!"- Dennis Ottochian, Sleep Expert

    Helps With
    Acid Reflux icon
    Acid Reflux
    Sleep Apnea icon
    Sleep Apnea
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    The Mattress Firm® 300 offers a personalized sleep experience with head and foot adjustment settings designed to help alleviate joint pains and provide increased pressure relief. Plus, the wireless remote makes finding your perfect position easy with its backlit buttons and programmable memory option.

    The base is 100% versatile featuring removable legs making this base compatible with all bed sets including platform beds. Protect your adjustable base with FirmCare Protection Plan.


    Total Size 58.5" W x 79.5" L
    Weight Capacity 850 lbs.
    Max Height 38.25"
    Min Height 15"
    Length 79.5"
    Width 58.5"
    Adjust Your View


      Independent Head Articulation

      Independent Foot Articulation

      Recommended Maximum Weight 850 lbs.

      Split-Sizes available to purchase via Call (877-384-2903)/Chat or In-Store


      Frame Features
      Classic Foundation Style Design
      Zero-Clearance Platform Friendly
      Adjustable Legs 6" – 10"
      Furniture Grade Upholstery
      Removable Legs
      Wireless Backlit Remote
      One Touch Flat
      Flashlight Remote
      1 Programmable Memory Option
      About mattress firm
      For over 90 years, Mattress Firm® and our family of companies have made it our mission to help you find great sleep. How do we do it? For starters, our Sleep Experts® have trained over 200 hours so they can match you with a complete sleep solution: mattresses, bedding and more. Plus, you can shop confidently with our Love Your Mattress Guarantee®, which means you’ll get a low price on America’s best brands, delivered your way and with a 120 Night Sleep Trial®.
      Delivery & Shipping

      Free Delivery

      Includes transportation, mileage and tolls

      Home protection from outside direct and elements

      Delivery where you want - front door, side door or even garage

      Contactless delivery, meaning we won’t enter your home

      Regular $24.99

      NOW FREE

      Mattress Setup

      and Haul Away

      Includes all Free Delivery services plus:

      New mattress and box spring setup

      Removal of packaging material from purchased item(s) & removal of old mattress set (equal to the number of pieces purchased)

      Three maximum flight of stairs purchased items can be carried


      Mattress Setup and

      Haul Away / Adj Base

      Includes all Mattress Setup and Haul Away

      services plus:

      Five maximum flight of stairs purchased items can be carried

      Delivery and setup of up to three mattress sets

      Setup of adjustable bases purchased from Mattress Firm


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