SERTA® iComfort® PRO 12.5" Firm Latex Mattress - King
Serta iComfort® PRO is a premium mattress line featuring advanced cooling and responsive latex foam. Enjoy targeted support and pressure-relieving comfort for a cooler, more restorative sleep.
Serta iComfort Pro 12.5" Firm Latex Mattress - Discover Unmatched Support for a Revitalizing Sleep
Transform your sleep experience with the Serta iComfort Pro 12.5" Firm Latex Mattress. Crafted with a premium blend of 100% natural latex, this mattress offers a perfect combination of support and comfort, making it the ideal choice for those who cherish restful nights. Assembled in Canada, this mattress is designed to promote optimal body alignment and a rejuvenating cooling sensation, ensuring you wake up feeling refreshed and invigorated.
Key Features
CoolFeel Pro System: This innovative feature utilizes advanced cooling fabric and breathable latex foam, effectively dissipating heat and maintaining a cozy sleep surface that stays cool all night long.
5 ZoneResponse Design: Experience luxurious support with five specialized zones crafted to align your body perfectly and relieve pressure points, allowing for a more comfortable sleep.
Graphite-Infused True Response Latex Foam: This unique foam draws heat away while enhancing thermal regulation, creating a consistently inviting sleep environment.
True Response Latex Foam Core: The core is constructed from high-quality natural latex that provides a responsive feel, adapting to your body’s contours for optimal support and durability.
Firm Density: A firm sleeping surface that's perfect for back and stomach sleepers, promoting spinal alignment while offering a stable and supportive feel while minimizing motion transfer.
Benefits
Elevated Sleep Experience: Embrace a bubble of comfort that cradles your body, leading to enhanced sleep quality and fewer distractions throughout the night.
Long-Lasting Durability: Made with premium latex materials, this mattress is designed to resist sagging and maintain its shape over time, offering an enduring sleep solution.
Expert Craftsmanship: Assembled in Canada with meticulous attention to detail, the Serta iComfort Pro is a testament to quality materials and construction, providing trustworthy performance.
Ideal For
People seeking firm, supportive mattresses tailored for back and stomach sleep positions.
Anyone who desires a cooling effect during sleep to maintain a comfortable body temperature.
Those looking for a lasting and high-quality mattress that combines comfort with robust craftsmanship.
Details
Size: King - 76" x 80" (193cm x 203cm)
Profile Height: 12.5 inches
Firmness: Firm
Warranty: Full manufacturer’s warranty
Guarantees: Free next day delivery, 100 night sleep trial, price match guarantee
In summary, the Serta iComfort Pro 12.5" Firm Latex Mattress is designed not just for sleep, but for an unparalleled sleeping experience. With its unique combination of innovative cooling features and trusted support, this mattress invites you to indulge every night in refreshing rest. Wake up each morning revitalized, ready to take on the day with newfound energy!
Serta iComfort is a premium mattress line from Serta, one of the most trusted names in sleep technology. Known for its cutting-edge innovations in comfort and support, the iComfort series offers a range of mattresses designed to solve common sleep problems. Each mattress in the lineup features advanced memory foams and hybrid designs that combine the responsiveness of springs with the comfort of specialty foam. Serta iComfort mattresses are engineered to provide optimal temperature regulation with their proprietary cooling technologies, ensuring that users stay cool and comfortable all night long. Launched to address the need for mattresses that adapt to individual body contours and sleeping positions, iComfort has been a popular choice for those seeking a restful night's sleep with reliable, lasting support.
Visit our Mississauga, Toronto, Markham, Kitchener, Hamilton, or Barrie mattress outlets to view Serta mattresses on sale and special deals and outlet pricing offers! All mattresses are brand new, sealed, with full manufacturer’s warranty serviced by National Mattress Outlet.
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 type of latex and other materials are used in this mattress?
This latex mattress uses specific latex formulations such as natural Dunlop or Talalay latex combined with other materials like base foams, coil support, or natural fabrics.
See the construction and materials section on the product page for detailed...
What kind of foams are used in this iComfort mattress?
This iComfort mattress uses selected comfort and support foams such as high-performance polyfoam, memory foam, or gel-infused foam to balance contouring, support, and temperature management.
See the product's construction and materials section for detailed...
What certifications does this organic mattress have?
This organic mattress carries specific certifications for its materials and/or finished product, which may include standards for organic fibers, latex, and low emissions.
Refer to the certifications section on the product page for detailed information...
Do I need a mattress protector for this latex mattress?
A breathable mattress protector is strongly recommended for a latex 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 latex...
Is this memory foam mattress suitable for side, back, or stomach sleepers?
This memory foam mattress has a specific firmness and layering 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 best for side...
Is this iComfort mattress considered mid-range or premium?
This iComfort mattress occupies a specific position within the iComfort lineup based on its materials, features, and construction.
Compare its specifications and pricing with other iComfort models to see whether it is positioned more as a mid-range ...
Can this mattress be used long-term as my primary bed?
This low motion transfer mattress is designed for regular nightly use when matched with the right foundation and care.
Review the durability details, warranty information, and recommended maintenance to see how it is intended to perform as a long-term...
Is this iComfort mattress suitable for side, back, or stomach sleepers?
This iComfort mattress is designed with a specific firmness and support profile, which may make it particularly suitable for certain sleep positions.
Check the comfort description and any recommended sleep positions listed in the product details to ...
Is this organic mattress made with sustainably sourced materials?
This mattress uses organic materials sourced from suppliers that adhere to recognized standards for sustainable and organic production.
Check the product details for more information about sourcing, certifications, and any additional environmental initiatives...
What warranty and trial period come with this organic mattress?
Yes, we offer a 100 night sleep trial with any mattress purchase.
What cooling and comfort technologies does this iComfort mattress use?
This iComfort mattress uses a combination of comfort foams and support materials that may include breathable or gel-infused foams, advanced memory foams, and a supportive core system.
Check the product description for a detailed breakdown of the specific...
What care instructions should I follow to keep this mattress hypoallergenic?
Follow the manufacturer's care instructions, including using a mattress protector, rotating if recommended, and keeping the mattress dry and ventilated.
Regularly laundering covers and encasements and vacuuming the sleep surface will help maintain its...
Is this an authentic Serta iComfort mattress?
This mattress is part of the official Serta iComfort lineup and is supplied through authorized distribution channels.
You can verify authenticity by checking the law tag, model name, and Serta iComfort branding on the product and packaging, which should...
Is this mattress comfortable for long nights of stomach sleeping?
This mattress is tuned to provide a firm, stable feel with just enough cushioning at the surface for comfort. It is designed so stomach sleepers can rest on their front without feeling excessive pressure at the chest or ribs, while still maintaining ...
Will this latex mattress keep my spine aligned properly?
This latex mattress is designed to combine resilient support with surface contouring to help maintain healthy spinal alignment when used in the right firmness for your sleep position.
Check the firmness rating and any notes about zoning or targeted ...
Is this latex 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.
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...
In which rooms is this mattress best suited (primary, kids, guest)?
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 organic mattress suitable for side, back, or stomach sleepers?
This organic mattress has a specific firmness and layering profile that suits certain sleep positions better than others.
Check the comfort description and any recommended sleep positions in the product details to see whether it is best for side, back...
Is this iComfort mattress compatible with an adjustable base?
Several iComfort mattresses are designed to work with adjustable bases and can bend and flex as the head and foot positions change.
Look for adjustable-base compatibility in the product description and make sure any base you use meets the manufacturer...
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.
Will this iComfort mattress hold its shape over time?
This iComfort mattress is constructed with support and comfort materials selected to help maintain its shape and performance under normal use.
Review the product details for information on the support core, foam densities, and care recommendations to...
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 iComfort mattress come with a sleep trial or return policy?
Yes, we offer a 100 night sleep trial with any mattress purchase.
What types and densities of memory foam are used in this mattress?
This memory foam mattress uses specific memory foam and support foams such as higher-density support foam and softer memory foam comfort layers to balance pressure relief and durability.
Check the construction and materials section for details on the...
Is this mattress suitable for back-sleeping couples?
This mattress is designed to provide strong support for back sleepers along with good motion isolation, making it a solid option for couples. Its construction helps keep both partners aligned while limiting how much they feel each other's movements.
Will this memory foam mattress keep my spine aligned properly?
This memory foam mattress is designed to combine contouring comfort with supportive base foams that promote healthy alignment when used in the right firmness for your sleep style.
Check the firmness rating and any notes about zoned or targeted support...
Is this mattress suitable for my specific allergies or sensitivities?
This mattress is designed to reduce common allergens, but individual sensitivities can vary.
Check the full materials list and any allergy-related claims, and consult with your healthcare provider if you have specific allergies (like latex or wool) ...
How does this mattress compare to your other models for allergy-friendly features?
This hypoallergenic mattress emphasizes reduced allergen buildup and low-emission materials within our lineup.
Compare its construction, certifications, and customer feedback with our other models to determine which one offers the best combination of...
Do I need a mattress protector for my iComfort mattress?
A mattress protector is strongly recommended for any iComfort 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 ...
How does this organic mattress compare in value to your non-organic models?
This organic mattress offers a combination of certified materials, durability, and comfort that may justify a higher upfront cost compared to some non-organic options.
Compare its construction, certifications, expected lifespan, and price with our conventional...
Is this latex mattress suitable for side, back, or stomach sleepers?
This latex mattress has a specific firmness and layering 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 best for side, back...
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...
Is this considered a mattress or just a regular model?
This mattress is designed with specific cooling features such as breathable covers, ventilated foams, or gel-infused comfort layers intended to help manage heat and keep you more comfortable.
Check the construction and materials section to see the exact...
Is this iComfort mattress better for a primary bedroom or a secondary/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 mattress made with certified organic materials?
Yes, this mattress is constructed using organic materials that have been certified to recognized standards, such as organic cotton, organic wool, or organic latex.
Check the product's materials and certifications section for details on which components...
Is this latex mattress suitable for couples with different comfort preferences?
This latex mattress offers a specific firmness and support profile that may work well for a range of sleepers, but it may still favor some preferences over others.
Review the firmness level, motion characteristics, and customer reviews to see how well...
How long does it take for a king mattress to fully expand after unboxing?
Most boxed king mattresses expand to near full size within a few hours, but they may continue to relax and reach their final feel over 24-72 hours.
Room temperature, ventilation, and the specific materials can affect expansion time; follow the manufacturer...
Is this memory foam 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.
Is this mattress suitable for my sleep position?
This adjustable-bed-friendly mattress has a specific firmness and pressure-relief profile that suits some sleep positions better than others.
Check the comfort description and any recommended sleep positions in the product details to see how well it...
Does this organic mattress have low chemical emissions or off-gassing?
This organic mattress is made with materials that are chosen for their low emissions and reduced use of certain synthetic chemicals.
Check the product's safety and certifications section for information about any low-VOC, chemical safety, or indoor ...
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