OPEN BAG - NM Orthopedic Classic 8" Firm Flippable Tight Top Mattress - King
Discover the NM® Orthopedic collection: durable continuous‑coil innerspring mattresses engineered for even, firm support and classic responsiveness—plus select dual‑sided (flippable) models for longer, more consistent comfort. Choose firm to extra‑firm feels with reinforced edges in Twin, Twin XL, Full/Double, Queen, and King.
Open Bag - NM Orthopedic Classic 8" Firm Flippable Tight-Top Mattress - King: Embrace Restful Nights with Premium Support
Revitalize your sleep with the NM Orthopedic Classic 8" Firm Flippable Tight-Top Mattress, expertly crafted for those who crave unparalleled support. Featuring a unique flippable design that extends its durability, this mattress ensures a restful night’s sleep ideal for any sleeping posture. Made from safety-certified materials in Canada, it harmoniously blends innovative design and trusted quality craftsmanship, guaranteeing a rejuvenating experience every night.
Key Features
Double Tempered Bonnell Coil System: Discover the perfect foundation for your sleep with robust Bonnell coils that have undergone double tempering for increased durability. The integrated Edge Guard provides added stability when you’re enjoying the entire sleep surface.
Eco-Friendly BioComfort Foam: Crafted from CertiPUR-US certified materials, this supportive foam combines firmness with eco-conscious comfort, ensuring a safe sleeping environment for you and your family.
Enhanced Lumbar Support: Designed with extra support for your middle section, this mattress helps align your spine and accommodates your body, encouraging a healthier sleep posture.
Reversible Cotton Support Quilt: Featuring a breathable cotton cover, this quilt allows moisture dispersion while providing a soft, inviting touch. Flip it for a refreshed feel with each use!
Comprehensive 5-Year Warranty: Rest easy knowing your investment is protected against manufacturing defects, adding a layer of confidence with your purchase.
Benefits
Improved Sleep Experience: The orthopedic firmness of this mattress lessens pressure on your body’s vital points, promoting uninterrupted sleep and increasing your overall well-being.
Longevity: The smart flippable design not only enhances comfort but significantly increases your mattress’s lifespan, providing excellent value over time.
Superior Moisture Management: Stay cool and dry throughout the night with the cotton quilt's moisture-wicking properties, ensuring an ideal sleep temperature.
Reliable Canadian Craftsmanship: Committed to quality, this mattress is made in Canada using top-grade materials and thoughtful designs, offering a dependable option for your sleeping needs.
Multi-Use Versatility: Perfect for back and stomach sleepers, as well as a great fit for kids’ rooms, guest spaces, or cottages, adapting seamlessly to your lifestyle.
Ideal For
Individuals needing a firm mattress that provides essential support for back or stomach sleeping positions.
Growing children and teens who require proper spinal alignment during their critical development phases.
Use in versatile settings like guest rooms, RVs, or cottage getaways, where a durable and compact mattress is essential.
Details
Dimensions: 76″ x 80″ (inches) – 193cm x 203cm (centimeters)
Profile Height: 8 Inches
Firmness Level: Firm
Warranty Period: 5-Year Limited Warranty against factory defects
Exclusive Guarantees: Enjoy free next day delivery, a 100 night sleep trial, a full manufacturer's warranty, and a price match guarantee!
Construction Overview: Tight-Top Quilted Cover made from a poly-cotton blend, layered with 3/8" Firm BioComfort Foam on both sides, featuring a robust Bonnell Coil System, Edge Guard, and sturdy Insulator Pad for added durability.
Level up your sleep with the NM Orthopedic Classic 8" Firm Flippable Tight-Top Mattress. Offering the perfect fusion of innovation and tradition, this mattress promises a refreshing sleep experience night after night. Make the smart choice for your comfort—don’t wait to indulge in the luxury of ideal rest—order yours today!
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?
What kind of support and feel does this mattress provide?
This innerspring mattress is designed to offer a specific combination of support and bounce, influenced by its coil system and comfort layer configuration.
Review the firmness rating, coil description, and comfort layers in the product details to understand...
What type of coil system does this mattress use?
This innerspring mattress uses a specific coil system such as Bonnell, continuous, offset, or pocketed coils to provide its support and feel.
See the construction and materials section on the product page for details about the coil design, coil count...
Does this mattress have zoned support that benefits back sleepers?
This mattress includes zoned support that is slightly firmer under the hips and lower back and a bit more forgiving under the shoulders. This can be particularly helpful for back sleepers, as it encourages better spinal alignment while still allowing...
Is this tight top mattress better suited for a primary bedroom or a guest room?
This mattress offers a specific combination of comfort, support, and durability that may make it ideal for nightly use in a primary bedroom. Review the firmness, build quality, and price point to decide where it best fits in your home.
Does this mattress have any cooling features?
This innerspring mattress uses its coil core for natural airflow and may include additional cooling features such as breathable covers, gel-infused foams, or ventilated comfort layers.
Check the product description for specific cooling technologies ...
Is this mattress better for a primary bedroom or a guest room?
This mattress offers a specific combination of comfort, support, and durability that may make it ideal for nightly use in a primary bedroom. Review the firmness, build quality, and price point to decide where it best fits in your home.
Is this a true mattress or a hybrid?
This mattress uses a coil support system as its core, making it a true innerspring design rather than a foam-only mattress.
Check the construction and materials section on the product page to see whether it is a classic innerspring (coils with thinner...
Is this mattress suitable for side, back, or stomach sleepers?
This innerspring mattress has a specific firmness and comfort profile that will suit some sleep positions better than others.
Check the comfort description and any recommended sleep positions in the product details to see whether it is ideal for side...
Is this king mattress good for side sleepers?
Side sleepers usually prefer a mattress that relieves pressure at the shoulders and hips while keeping the spine aligned.
Look for king mattresses described as medium or medium-soft with comfort layers that contour to the body and cushion key pressure...
Is this firm mattress okay for everyday use or better for occasional sleep?
This firm mattress is designed for regular nightly use, with comfort and support features suited to sleepers who enjoy a firmer feel.
If you plan to use it every night, review the materials, firmness description, and customer reviews to confirm that...
Is this mattress a true tight top or does it have extra cushioning on top?
This mattress is constructed as a true tight top, with comfort layers integrated directly under a flat, uniform cover and no separate pillow or Euro-top pad.
You can see the smooth, traditional surface in the product images and description, which distinguishes...
Do I need a mattress protector for a king mattress?
A mattress protector is highly recommended.
It helps keep the king mattress clean by guarding against spills, sweat, dust, and allergens, and it can significantly extend the life of the mattress in primary bedrooms or guest rooms.
Does this firm mattress have strong edge support?
This firm mattress includes edge-support features such as reinforced coils or high-density foam rails to help reduce roll-off and make it more comfortable to sit or sleep near the edge.
Check the product description for specific information on its edge...
Does this mattress come with a trial or comfort guarantee?
Yes, we offer a 100 night sleep trial with any mattress purchase.
Will this mattress hold its shape and support over time?
This innerspring mattress is built with durable coils and comfort materials designed to maintain their feel under normal use.
Review the durability details, coil specifications, and care recommendations on the product page to see how to get the best...
Is this 8 inch mattress all foam or does it include coils?
This mattress uses the construction described in the materials section of the product page, such as all foam, all coil, or a hybrid combination. Review the listed support core and comfort layers to understand how the mattress is built and what type of...
Is this 8 inch mattress a good value for the price?
This 8 inch mattress is designed to offer a balance of support, comfort, and affordability. Review the materials, warranty, and customer reviews on the product page to see how it performs in real world use and whether it meets your expectations for value...
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.
How does this firm model compare in feel to your medium-firm and plush models?
This firm mattress feels more supportive and flatter at the surface than our medium-firm models, and significantly less cushioned than our plush models.
If you prefer a solid, on top of the bed feel, this firm option is designed to be the most supportive...
How does this mattress compare to your other models?
This innerspring mattress offers a specific combination of coil design, comfort layers, firmness, and price within our lineup.
Compare its specifications and features with our other innerspring or hybrid models to decide whether it delivers the feel...
Is this king mattress comfortable for everyday use?
This king mattress is designed for regular nightly use with a balance of comfort and support suitable for its intended sleeper group (such as couples, families who co-sleep, or single adults who want extra space).
Check the firmness level, materials...
Do I need a mattress protector for this mattress?
A mattress protector is strongly recommended for any innerspring mattress.
It helps keep the surface clean, protects against spills and allergens, and can extend the life of the mattress by preventing moisture and debris from breaking down the comfort...
Does this king mattress come rolled or boxed?
Many modern king mattresses are shipped compressed and rolled in a box for easier delivery and setup.
Check the product details for packaging information and follow the unboxing instructions to allow the mattress to expand to its full size.
Does this king mattress sleep hot?
Temperature regulation depends on the materials and cover.
Mattresses with breathable fabrics, open-cell foams, cooling gel, phase-change materials, or coil support cores tend to allow more airflow and feel cooler than dense, non-ventilated foams.
...
Is this mattress a good option for couples with different comfort needs?
This innerspring mattress offers a particular balance of support, comfort, and edge performance that may suit many couples.
Review the firmness level, motion isolation details, and customer reviews to see how well it accommodates different body types...
Is this firm mattress a good choice if my partner and I are different weights?
This firm mattress is designed to provide strong support across the surface, which can help when there is a weight difference between partners.
Review the support specs (coil strength, foam density, or weight capacity) and customer reviews to see how...
What are the exact dimensions of this 8 inch mattress?
This mattress is approximately 8 inches high and is available in standard sizes such as Twin, Twin XL, Full, Queen, and sometimes King, as well as RV or specialty sizes. Check the size chart on the product page for precise width, length, and height measurements...
Is this 8 inch mattress compatible with an adjustable base?
Some 8 inch foam and hybrid mattresses are flexible enough for use on adjustable bases. Check the product description for information about adjustable base compatibility and follow the manufacturer's guidelines to ensure the mattress will perform...
Will this 8 inch mattress feel different from my current thicker mattress?
Yes, an 8 inch mattress often feels a bit firmer and less plush than a thicker mattress with multiple comfort layers. You may notice less sink and a more straightforward support feel. Check the firmness rating, materials, and user reviews on the product...
– 884 Full Perimeter Comfort Pockets® (Pocket Coils) – Bio Foam with Gel – Cool Touch Stretch Knit Sleep Surface – Flippable Bio Comfort Quilted Stretch knit surface – Made In Canada
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