• Sealy Posturepedic Sophia Flex Medium King Mattress - 735571

    $2,957
    $1,795 (38%) off RRP of $4,752
    $1,795 (38%) off RRP of $4,752

    Sealy Posturepedic Sophia Flex Medium King Mattress - 735571

    $2,957
    $1,795 (38%) off RRP of $4,752
    $1,795 (38%) off RRP of $4,752
    Add to Wishlist
    Up to 6 months interest free with Zip Money
    Size: King
    • Overview
    • Specifications & manuals
    • Reviews
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

    The Sealy Sophia Luxury Flex mattress range offers the ultimate luxury: a deep, restful night of sleep. With its premium LuxeTop construction and Luxury Medium feel, this is the perfect option for those looking for a mattress that is not too soft, not too firm, but just right.

    Tried-and-tested comfort technologies and advanced support systems provide the perfect harmony between relief and relaxation. The SmarTex fabric regulates temperature, the HealthShield maintains a hygienic surface, while the premium wool fibre promotes breathability to create the ideal sleeping environment.

    Proper sleeping posture is essential and you’ll feel supported by the state-of-the-art Titanium RestSUPPORT to maximise stability and balance. In addition, the combination of supersoft and Sealy quilt layers, plus the deep premium foam, provide outstanding pressure-relieving comfort so you wake up every morning feeling refreshed.

    This mattress is designed with FlexiCased edge technology with an articulating perimeter to pair with Sealy’s adjustable bed bases including Energise and Inspire. Or create the bedroom of your dreams with Sealy’s SpaceSaver Drawer Base and Endurance Luxe Base.
    ComfortCore Plus

    Help keep lower back discomfort at bay. Enhanced with ComfortCore Plus, this mattress has a densified memory foam and gel infused visco-elastic layers to adapt and conform to your lower back, relieving pressure so you wake up feeling your best.

    Titanium RestSUPPORT

    This revolutionary three-stage coil system supports your body with perfect balance, helping to ensure a restful night of sleep. Engineered for durability, you can enjoy long-lasting sleep to help your mind and body rejuvenate each night.

    Supersoft and Sealy quilt layers

    The quilt layers in the mattress give you a soft feel that contours and cushions your body to help relieve pressure and provide an ultra-comfortable surface so you can sleep soundly and recharge for the day ahead.

    Deep Premium Foam comfort layers

    Quality sleep results from top-quality design and the Deep Premium Foam layer in this mattress gives a well-balanced feel. Designed with the Durabond Insulator to perfectly bring together the comfort layers and support system, this mattress provides long-lasting comfort.

    Specifications & manuals

    key Specifications
    Brand
    Sealy
    Height (mm)
    240 mm
    Width (mm)
    1835 mm
    Length (mm)
    2030 mm
    Weight (kg)
    46 kg
    Australian Designed and Owned
    Mattress Size
    King
    Mattress Feel
    Medium
    Notes
    Please note: Mattress only, accessories & base in this product's images are for illustrative purposes only. Mattress pictured may be representative of another size for display purposes.
    warranty
    Manufacturer Warranty
    10 Years
    mattress Details
    Single or Double Sided Mattress
    Single Sided
    Mattress Cover Material
    Premium Wool Fibre Blend
    Special Internal Layers
    3 Stage Titanium RestSUPPORT™
    Zone Support
    Individual 'Sense & Respond' coil technology
    Edge Support
    FlexiCased® Edge
    Suitable for Adjustable Bed Base
    Yes
    other Features
    Bedding Type
    Mattress
    Features
    Premium Wool Fibre Blend
    Luxury Foam
    SmarTex®
    3 Stage Titanium RestSUPPORT™
    Gel Visco Material
    Individual 'Sense & Respond' coil technology
    FlexiCased® Edge
    Health Shield
    country of Origin
    Origin
    Australia

    Reviews

    Rating snapshot

    5
    6
    4
    1
    3
    1
    2
    0
    1
    0

    Average customer rating

    Overall
    4.6
    Ease of setup
    4.9
    Build quality
    4.7
    Value of product
    4.5

    Appliances Online's customer reviews are independently managed by Bazaarvoice, ensuring their accuracy and honesty. Vouchers are sometimes offered to verified buyers in exchange for their unbiased review.

    Learn more about Bazaarvoice Authentic Reviews Trust Mark
    Pros
    1-3 of 8 reviews
    DLDL2025-09-02
    Not so great after a few months
    Well, we've turned it every couple of weeks per instructions, and my Mother in law is now complaining of a lumpy bed... wife and I tried it, and it is, you can feel the springs in it. It was fine for the first few weeks. She has an adjustable bed base, which this is supposedly made for, but now we had to buy a very thick mattress topper so she doesn't have aches where more weight is on the springs. Disappointing for the price paid, we won't make that mistake again, we'll get a mattress we can look at first.
    Build quality
    3.0
    Ease of use
    4.0
    Value of product
    2.0
    Kathy K2023-12-30
    Sealy Sophia Flex
    Very good quality mattress and having a great night sleep and not waking up with a sore back, very comfortable mattress.
    Build quality
    5.0
    Ease of use
    5.0
    Value of product
    5.0
    LynnC2023-07-30
    Smooth delivery
    Bed feel great. Fix my sore back. Delivery was on time
    Build quality
    5.0
    Ease of use
    5.0
    Value of product
    5.0

    Legendary service

    The Appliances Online Net Promoter Score (NPS) is based on feedback from 89,897 people, collected between August 2024 to August 2025. Learn more about the Net Promoter Score (NPS).
    I loved that it was so easy
    Tena, Fitzroy, VIC
    Purchase was a pleasure
    Janine, Kurnell, NSW
    Do business again with your company
    Craig,

    Delivery, services & returns

    Appliances Online is all about legendary service. We offer free next business day delivery, free connection, free removal and free recycling, and we even offer Saturday delivery and, in some locations, a Premium Delivery option that allows you to choose your own 2-hour delivery window.

    Questions & answers

    Hi I am wondering if I purchase a mattress will you take the old mattress away for free? Veronica · 2025-12-28
    Hello Thank you for your product inquiry. Yes, we will remove your old mattress for you. Simply check the box online to request the removal of the old model. If you need assistance placing your order, please call our Sydney Internal Sales Team at our freecall number, 1300-000-500. I hope this information will assist you when shopping with us at Appliances Online. Our Sydney-based team is available 24/7 to assist you at Ph: 1300-000-500. Colin Jones, Appliances Online
    I agree to the terms & conditions
    We're here to help 24/7 - for an immediate answer to your question, chat with one of our Live Chat agents below or call us on 1300 000 500 .

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