OPEN BAG - NM HD 10" Extra-Firm Flippable High Density Foam Mattress - Double/Full
Meet NM® HD+™ Core—mattresses built around high‑density foam for durable support, low motion transfer for quieter nights, zoned lumbar for alignment, and reinforced edges for full‑width comfort. Available in firm, medium, and plush feels across Twin, Twin XL, Full/Double, Queen, and King.
Open Bag - NM HD 10" Extra-Firm Flippable High Density Foam Mattress - Double/Full: Sleep Like a King or Queen Every Night!
Discover the luxurious comfort of the NM HD 10" Extra-Firm Flippable High Density Foam Mattress, meticulously engineered for those who demand superior support and longevity. With its innovative HD+ High Density Foam, this mattress delivers a firm yet comfy surface that promotes optimal spinal alignment and reduces sagging. The unique flippable design allows you to turn it occasionally, rejuvenating its feel and maintaining that coveted hotel-like sleep experience in your own home.
Key Features
Versatile Dual-Sided Design: Benefit from the exceptional versatility of a flippable mattress, providing you with two surfaces of remarkable firmness and comfort that last for years.
High-Quality HD+ Extra-Firm Foam Core: Engineered to resist sagging, this durable foam core supports your body effectively, ensuring you wake refreshed and revitalized every morning.
Tailored Firm BioComfort Foam: Specifically designed to alleviate pressure on key areas, this foam cradles your shoulders and hips, ensuring a deeper, uninterrupted slumber.
Breathable Cotton Support Quilt: The dual-sided cotton quilt enhances airflow, wicking away moisture for a dry and refreshing sleep surface.
Benefits
Unmatched 25-Year Warranty: Feel secure in your investment with one of the longest non-prorated warranties in the market, ensuring reliability over time.
Eco-Friendly Production: Proudly crafted in Canada with CertiPUR-US certified foams, you can rest easy knowing your mattress is sustainably made without harmful chemicals.
Stylish and Practical: With its sleek 10-inch profile, this mattress fits perfectly with standard sheets and bed frames, marrying aesthetics with function seamlessly.
Ideal For
Individuals who relish a solid, extra-firm sleep surface that minimizes motion transfer and enhances comfort.
Couples looking for a supportive mattress that caters to varying sleep styles while reducing disturbances during the night.
Anyone who appreciates meticulous Canadian craftsmanship, ensuring restorative sleep night after night.
Details
Dimensions: 54″ x 75″ (137cm x 190.5cm)
Profile Height: 10 Inches
Firmness: Extra Firm
Cover Material: Cotton Blend
Core Composition: HD+ Extra-Firm High Density Foam
Design Style: Traditional, Foam Core/No Coils
Guarantees: Offers free next-day delivery, a 100 night sleep trial, a comprehensive manufacturer's warranty, and a price match guarantee.
Transform your sleep routine with the NM HD 10" Extra-Firm Flippable High Density Foam Mattress. Indulge in luxurious support and a delightful sleeping experience that embodies superior craftsmanship and comfort. Enjoy a hygienic, cooling surface that promises blissful, uninterrupted sleep, delivered promptly and free from National Mattress Canada.
We offer FREE DELIVERY to all major cities in Ontario and the surrounding area on orders over $199. A delivery surcharge of $45 applies to orders under $199.
Select your delivery date at checkout (if applicable) and add any special instructions in the order comments (e.g., “Ring Buzzer #1234”). If a date isn’t shown or selected at checkout, you’ll receive an email with scheduling options. Day‑of, you’ll get a text and email with a 2‑hour window and live tracking. Estimates apply to in‑stock items; rural or weather‑affected addresses may require extra time.
Barrie • Innisfil • Orillia • Midland • Collingwood • Bradford • Washago and more
1–3 days on average
Northern & Eastern Ontario
Cobourg • Peterborough • Kawartha Lakes • Minden • Haliburton • Port Perry • Bowmanville and more
1–3 days on average
Western Ontario
London • Stratford • Woodstock • Brantford • Grand Bend • Port Elgin • Tobermory and more
Need delivery outside the GTA?
We also ship to all provinces in Canada at competitive rates (territories excluded). Enter your postal code at the top of the website to see what’s available.
Ready to Sleep Better?
Shop online 24/7 or visit any National Mattress location across Ontario. Spend $199+ and relax—your new mattress will arrive quickly and free of charge locally, or ship fast across Canada.
Where does National Mattress offer free local delivery?
We offer FREE local delivery to major cities across Ontario on orders of $199+. Check the region cards above for specific cities.
Do you ship mattresses across Canada?
Yes. We ship select roll‑packed mattresses to all provinces (YT, NT, NU excluded). Transit times range from 1–2 days in ON & QC to 3–4 days in BC and NL after shipping.
Is next‑day delivery available in the GTA?
Yes. FREE next‑day local delivery is available in many GTA and surrounding areas, subject to inventory and cutoff times.
What if my Ontario local order total is under $199?
A $45 delivery surcharge applies to orders under $199.
How do I schedule or change my delivery date?
Select a date at checkout. If a chosen date isn’t available, you’ll receive an email proposing an alternative—simply reply to reschedule. In‑store purchases can be scheduled at the time of sale.
Will I get tracking updates?
Yes. Local deliveries include day‑of text/e‑mail with a 2‑hour window plus live GPS tracking. Canada‑wide shipments include a courier tracking number once picked up.
Do you deliver to Yukon, Nunavut, or the Northwest Territories?
Is this mattress suitable if I have lower back issues?
This extra-firm mattress is designed to provide very high support and minimize hip and torso sink, which can help some people with lower back problems.
If you have diagnosed back issues or are unsure whether extra-firm is appropriate for you, talk to...
What types of foam are used in this mattress?
This foam mattress uses a combination of support and comfort foams such as high-density base foam, transitional foam, and softer top foams for pressure relief.
See the construction and materials section on the product page for detailed information on...
Is there a weight limit for this full size mattress?
Most full size mattresses list a recommended weight range or are designed to support typical single sleepers or couples.
Check the product specifications or warranty details for any stated weight limits to ensure the mattress is a good match for the...
How does this extra-firm model compare in feel to your firm and medium-firm models?
This extra-firm mattress is noticeably harder and flatter at the surface than our firm and medium-firm options.
If you want maximum support with minimal cushioning, choose this extra-firm model; if you prefer some contouring and softer pressure relief...
Do I need special sheets or a protector for this tight top mattress?
Tight top mattresses usually work well with standard fitted sheets and a breathable mattress protector.
If the mattress is thicker than average, you may prefer deep-pocket sheets to ensure a secure fit without compressing the comfort layers excessively...
Is this 10 inch mattress suitable for everyday adult use or only for guests?
This 10 inch mattress is designed for regular nightly use by adults, but it can also serve well in guest rooms. Check the product specifications, firmness, and user reviews to make sure it aligns with your sleep position, body type, and how often it ...
Is this 10 inch mattress compatible with an adjustable base?
Many 10 inch foam and hybrid mattresses are flexible enough to be used on adjustable bases. Check the product description for specific notes about adjustable base compatibility and follow the manufacturer's instructions to ensure correct use and...
Is this mattress okay for everyday use or better for occasional sleep?
This extra-firm mattress is designed for regular nightly use for sleepers who enjoy a very firm feel.
If you plan to use it daily, review the materials, firmness description, and customer reviews to confirm that its extra-firm profile matches your comfort...
Does this tight top mattress have cooling features?
This tight top mattress incorporates materials and design elements such as breathable cover fabrics, ventilated foams, or coil support to help manage temperature.
Check the product description for specific cooling features included in this model.
Will this foam mattress support my lower back properly?
This foam mattress is designed to provide a balance of contouring and support through its layered foam construction.
Check the firmness rating and any notes about zoned support or targeted lumbar support in the product description to ensure it aligns...
Is this mattress suitable for an adjustable base?
Many extra-firm mattresses especially foam and certain hybrid designs are compatible with adjustable bases and are built to bend and flex as the base moves.
Check the product description for specific notes on adjustable base compatibility and follow...
Where does this mattress sit on your firmness scale?
This mattress is categorized as extra-firm within our lineup, making it the firmest comfort level we offer.
It provides more support and less surface cushioning than our firm, medium, or plush models; check the firmness scale on the product page to ...
Is this 10 inch mattress supportive enough for a heavier sleeper?
This 10 inch mattress is built with a support core and comfort layers designed for regular adult use. Heavier sleepers should review the firmness rating, material densities, and weight guidelines on the product page to ensure it is recommended for their...
Is there a weight limit for this 10 inch mattress?
Many mattresses list recommended weight guidelines for optimal performance. Check the specifications and warranty on the product page to see if there are any stated weight limits. If you are near or above the recommended range, you may want to consider...
Is this 10 inch mattress a good value for the price?
This 10 inch mattress is designed to balance comfort, support, and affordability. Review the materials, construction details, warranty, and customer reviews on the product page to decide whether its performance and features justify the price for your...
Will standard sheets fit on a 10 inch mattress?
Yes. Most standard fitted sheets are designed to fit a range of mattress depths and will accommodate a 10 inch mattress without issue. If you want a snugger fit, look for sheets with a pocket depth that matches low to medium profile mattresses and elastic...
– 800 Edition Custom Support Coil System – 3 Zone Body Support – Cool Twist® Gel Memory Foam + Serta® Support Gel Foam – Serta® Anti-Microbial Fibre Technology – Serta® Best Edge® Foam Encasement – Designed and Made in Canada
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