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Mulberry Unlimited

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Mulberry Unlimited

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  • The Polysleep memory foam mattress is made of 4 layers of foam, and measures 10" high.

    Cover - 41% Polyviscose, 58% Polyester, 1% Spandex - Liquid repellent - Soft & premium quality mesh

    First Layer - Polysleep ventilated antimicrobial viscoelastic hybrid foam - Density of 3.0lb / ft3 (Certified ISO 20743)

    Second Layer -
    Transition polyurethane foam - Density of 1.8lb / ft

    Third Layer - Supportive polyurethane foam - density of 1.8lb / ft3

    Contour layer - Proprietary polyurethane foam support frame - Density of 2.0lb / ft3

    All our foams are latex free.

  • Each Polysleep memory foam mattress with a support frame is handcrafted in Montreal. Our suppliers have been carefully chosen for their knowledge and expertise, but also for their commitment to sustainable development. Even our boxes are made in Canada from recycled materials! In addition, no memory foam mattresses are destroyed, they benefit people in need or are fully recycled in the event of a return.

  • We offer free shipping and free returns* in Canada. For the Northwest Territories, Yukon, and Nunavut, please note that there will be an added charge for shipping.

    Box dimensions - 18" X 18" X 41"
    Box weight - 42 lbs up to 83 lbs

    As for all our Mattresses, the memory foam mattress with a support frame is shipped via UPS Standard directly from our warehouse to your door. By doing this we cut out 3rd party distribution methods, lowering our carbon footprint.

    Whenever the option is available, we try to use more ecological ways to deliver your products, such as bike courrier or electric vehicles.

  • Our foams are certified by the CertiPUR-US® program, meaning they are made without ozone depleting chemicals and regulated by the Consumer Product Safety Commission Low VOC (Volatile Organic Compound) emission for indoor air quality (less than 0.5 parts per million).

    Our memory foam is also Certified ISO 20743.

    Have an RV? Learn more about our Short Queen RV mattress


    Shipping &

    100 night trial

    In the comfort
    of your home

    10 year

    of mind

    What Makes

    Our Memory Foam Mattress Unique?

    Your New Mattress

    Antimicrobial foam

    Using our antimicrobial foam, you'll sleep soundly knowing your mattress is working around-the-clock to protect you from bacteria, dust, and other germs!

    Offers unparalleled support

    The Polysleep mattress is a memory foam mattress with a support frame that gives true support around the edge of your mattress. With the help of a dense foam layer that surrounds your memory foam mattress, we’ve been able to offer a more balanced and stable sleep surface.

    Relieves pressure while you sleep

    Our unique mixture of hybrid foam uses open cell technology. This provides support where you need it, while simultaneously reducing pressure points and offering optimal airflow.

    Our Service

    100 night trial

    No more driving to a store to try out a mattress. At Polysleep you can try any mattress for 100 nights from the comfort of your home!

    Free shipping & simple returns

    Your memory foam mattress is delivered to your door free of charge. Do you want to return it? We'll come to you to your place and pick it up for free!

    10 year warranty

    We're confident in the quality of our products so we're proud to offer a 10 year warranty on the Polysleep memory foam mattress. Click here to learn more.


    A Closer Look

    1. Go to Soft Liquid Repellent Cover
    2. Go to Breathable Top Layer
    3. Go to Proprietary Support Frame
    4. Go to Comfortable Transitional Layer
    5. Go to Supportive Foam Base
    6. Go to The Ultimate Polysleep Mattress
    Swipe through to learn Click the buttons to learn
    • The amazingly soft liquid repellent cover helps minimize any spills or accidents. The sides are made of premium mesh, providing better airflow and breathability.
    • The top layer uses hybrid foam which conforms to your body by identifying and relieving pressure points. This also helps to regulate your body temperature.
    • Our proprietary, built-in support frame offers incredible support.

      It keeps your mattress from flattening when you sit on the edge and reinforces the structure.
    • The transitional layer works as a gentle bridge between the top layer and the base layer to provide ultimate comfort between the two.
    • Developed with high-density foam, the base layer acts as a box spring and provides unparalleled reinforcement.
    • When you'll have your memory foam mattress with a support frame, you'll never get tired of sleeping again!

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