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SERTA® iComfort® PRO 12.5" Firm Latex Mattress - Twin XL

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.

Top Features

– CoolFeel™ Pro System

– 5 ZoneResponse™ Design

– Graphite-Infused True Response™ Latex Foam

– True Response™ Latex Foam Core

– Derived from 100% Natural Latex

– 100% Canada Assembled

Our Price:
$5,399.00
Retail Price $7,999.00
In stock
Only 8 left
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Applicable Offers

SERTA® iComfort® PRO 12.5" Firm Latex Mattress - Twin XL
Style Memory Foam, Organic & Latex, Foam Core/No Coils
Firmness Firm
Coil Count N/A
Coil Type N/A
Core Type 6" True Response™ Latex Foam Core
Core Density 4.8 lb/ft³
Height 12.5 Inches
Collection iComfort® Pro™
Model Wakefield 12.5" Firm - Twin XL
Warranty 10 Year Warranty
Condition Brand new, manufacturer sealed.
Comfort Scale
  • Soft
  • Medium
  • Firm
  • Extra Firm
Comfort IQ™: This mattress is slightly firmer compared to other firm mattresses. (8/10)
Recommended For: Back Sleepers, Stomach Sleepers
icomfort-pro-latex mattress sale banner

 

SERTA iComfort Pro Latex Firm Mattress
Experience professional-grade comfort and full-body support with the SERTA iComfort Pro Latex Firm Mattress. Built with 100% naturally derived latex and expertly assembled in Canada, this mattress delivers a cool, responsive feel that caters to sleepers who demand the very best in firmness, alignment, and longevity.


Key Benefits & Features

  1. CoolFeel™ Pro System

    • Advanced cooling fabric combined with breathable latex foam absorbs heat and redistributes cool air, keeping your sleep surface refreshing all night long.

  2. 5 ZoneResponse™ Design

    • Five distinct support zones promote full-body alignment and reduce pressure points, helping you wake up feeling rejuvenated and pain-free.

  3. Graphite-Infused True Response™ Latex Foam

    • Infused with graphite particles to draw excess heat away from the body, this layer offers enhanced temperature regulation and promotes a more comfortable rest.

  4. True Response™ Latex Foam Core

    • Made from 100% naturally derived latex, it provides a responsive, buoyant feel that conforms to your body’s contours.

    • Known for its durability, latex outperforms traditional memory foam in longevity and resistance to sagging.

  5. Firm Feel for Lasting Support

    • Ideal for back and stomach sleepers, the firm density maintains spinal alignment while still offering gentle cushioning.

    • Enjoy a stable, supportive surface that helps reduce motion transfer and partner disturbance.

  6. Designed & Assembled in Canada

    • Each mattress upholds Serta’s high-quality standards, proudly built for reliability and crafted with premium materials.


Elevate your sleep to a pro-level experience with the SERTA iComfort Pro Latex Firm Mattress—where cooling comfort, firm support, and long-lasting performance come together to offer you the best rest possible.

 

Please see the “Specifications” and “More Info” tabs above for technical specifications and additional product information.

 

This mattress is available in the following sizes:

Twin XL - 38″ x 80″ (inches)  –  96.5cm x 203cm (centimeters)

Queen – 60″ x 80″ (inches)  –  152.5cm x 203cm (centimeters)

King – 76″ x 80″ (inches)  –  193cm x 203cm (centimeters)

 

*Available to try at our Toronto, Markham, Mississauga, Kitchener, Hamilton, Barrie, or North York mattress stores.

 

***This mattress is brand-new, sealed in original manufacturer packaging with full manufacturer’s warranty.

 

Don’t forget to check out our coupons (in the deals and flyers section) to save even more on your mattress purchase.

 

Call or visit us today for the best deals on quality brand-name mattresses from National Mattress Outlet.

More Information
Mattress Size

Twin XL

Mattress Type

Memory Foam, Organic & Latex, Foam Core/No Coils

Features

Cooling Technology, Temperature Regulating, Breathable, Low Motion Transfer, Pressure Point Relief, Zoned Lumbar Support, Edge Support, Hypoallergenic, Organic Materials, Sustainable Materials, Eco-Friendly Manufacturing, Compatible with Adjustable Bed Base

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Firmness

Firm

Core Type 6" True Response™ Latex Foam Core
Core Density 4.8 lb/ft³
Core Material Latex
Brands iComfort
Price Range Luxury
Model Wakefield 12.5" Firm - Twin XL
Collection iComfort® Pro™
Condition Brand new, manufacturer sealed.
Warranty 10 Year Warranty
Sleep Position Back Sleepers, Stomach Sleepers
Cover Material CoolFeel™ Pro Fabric with Serta® Anti-microbial Fibre Technology
Colour White, Blue
Quilt 1/2" Quilted Latex + Serta® Pillo-Fill + 1.5" Serta® PillowSoft Foam
Comfort Layers 1" Graphite Infused True Response™ Latex Foam
Support Layers 2" True Response™ Latex Foam
Mattress Core 6" True Response™ Latex Foam Core + 2" Serta® Support Foam
Mattress Height in Inches 12.50 Inches
Additional Features 5 support zones for full-body alignment, professional-grade latex foam for premium cooling comfort.
Certifications CertiPUR-US® certified foams.
Compatible With Adjustable Beds Yes
Vented Yes
Removable Cover Yes
Handles No
Care Instruction Removable cover, dry clean to prevent shrinking.
Country of Origin Canada
Manufacturer Contact Information https://www.sertacanada.com
Single/Twin XL Size Dimensions 38" x 80" (inches) - 96.5cm x 203.2cm (centimeters)
Custom Sizes Available No
Product Length (inches) 80 in
Product Width (inches) 38 in
Product Height (inches) 12.5 in
Product Weight (lb) 75.500000
Product Length (cm) 203.2 cm
Product Width (cm) 96.5 cm
Product Height (cm) 31.8 cm
Product Weight (kg) 34.3 kg
Product Barcode 690214187088
Product Code 850503381-1020
Product Model Code ICOMFORT-WAKEFIELD
Product SKU ICOMFORT-WAKEFIELD-TWINXL
Product Category Mattress
Product Sub Category Tier Luxury
Product Type Mattress - Foam Core
Product Sub Type Memory Foam
SERTA iComfort Pro Latex Firm Mattress - Wakefield -Spec
icomfort pro latex mattress spec 2
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.

 

For more information please visit www.sertacanada.com.

Greater Toronto Area and Ontario Delivery Map

What’s Included

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.

Greater Toronto Area and Ontario Free Mattress Delivery Map

Ontario Local Delivery Areas

Next‑day available
Halton Region
Burlington • Oakville • Milton • Georgetown • Halton Hills
Next‑day available
Peel Region
Mississauga • Brampton • Caledon
Next‑day available
City of Toronto
York • Including Downtown Core
Next‑day available
York Region
Vaughan • King • Richmond Hill • North York • Aurora • Newmarket • Markham • Scarborough
Next‑day available
Durham Region
Pickering • Ajax • Whitby • Oshawa • Whitchurch‑Stouffville
Next‑day available
Waterloo Region
Guelph • Kitchener • Cambridge • Waterloo
Next‑day available
Hamilton
Including Dundas • Grimsby • Stoney Creek • Ancaster
1–3 days on average
Niagara
Niagara Falls • Niagara‑on‑the‑Lake • St. Catharines • Thorold • Welland
Next‑day & 1–3 days
Simcoe Region
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

Note: Please select your delivery date at checkout (if applicable). Add any special instructions in the comments box. If a delivery date isn’t available at checkout, you’ll receive an email with date options after your order is processed. If the proposed date doesn’t work, reply to reschedule.

 

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.

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Frequently Asked Questions

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?

No. We currently do not deliver to YT, NU, or NT.

© National Mattress. All rights reserved.

Customer Questions
How does this mattress compare to your other models for hot sleepers?
This cooling mattress offers a specific mix of cooling materials, firmness, and support within our lineup. Compare its construction, cooling technologies, and customer feedback with our other models marketed for hot sleepers to determine which one best...
Is this mattress suitable for my sleep position and body type?
This zoned lumbar support mattress is tuned for certain sleep positions and body types. Check the comfort description and any recommended sleeper profiles in the product details to ensure the zoning and overall firmness match your needs for alignment...
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 type of mattress is this (foam, latex, hybrid, or innerspring), and how does that affect its hypoallergenic performance?
This hypoallergenic mattress uses a specific core type foam, latex, hybrid, or innerspring paired with covers and comfort layers chosen to minimize allergen buildup. Check the construction section to see how its design supports a cleaner, less allergen...
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 ...
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 ...
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...
Does this Twin XL mattress come rolled or boxed?
Many modern Twin XL 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 fully.
Is this mattress appropriate if I have back, neck, or circulation issues?
This mattress is designed to flex with an adjustable base and provide consistent support in various positions, which may help with certain back, neck, or circulation concerns. However, specific conditions vary review the firmness and support details...
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...
Do I need to rotate or flip my mattress to keep the warranty valid?
Some warranties recommend rotating the mattress regularly to promote even wear, while others specify that the mattress should not be flipped. Check the care instructions in the warranty and on this product page. Following the recommended rotation schedule...
Does this latex mattress have specific cooling features?
This latex mattress relies on the natural breathability of latex and the design of its cover and comfort layers to help manage temperature. Check the product description for any additional cooling features, such as ventilated latex, breathable fabrics...
What type of mattress protector should I use that wont feel hot or noisy?
Look for waterproof protectors made with soft, breathable fabrics and a quiet backing layer. Modern protectors are often designed to feel like a regular sheet while still blocking liquids and minimizing crinkling sounds when you move.
What type of protector and sheets do you recommend for this mattress?
For this hypoallergenic mattress, we recommend a breathable, allergen-proof mattress protector and washable, natural-fiber sheets that can be laundered frequently. Check the accessories or recommendations section for products designed to complement ...
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...
Does this mattress use low-emission materials?
This eco-friendly mattress is made with materials and adhesives selected for lower emissions and reduced chemical impact. Check the safety or certifications section on the product page for information about any low-VOC, emissions, or chemical safety...
How can I verify the claims of this mattress?
This mattress's eco-friendly claims are supported by specific materials, manufacturing practices, and certifications listed on the product page. Review these details and, if needed, follow up with our support team for additional documentation or clarification...
Has this foam mattress been tested for emissions or safety standards?
This foam mattress is manufactured to meet applicable safety and flammability regulations, and its foams may be tested for content and emissions. Check the product details for specific information on any standards, certifications, or safety testing ...
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 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...
Does this foam mattress have cooling features?
This foam mattress incorporates materials and design elements such as breathable cover fabrics, open-cell or gel-infused foams, or ventilated layers intended to help manage heat. Check the product description for specific cooling features included in...
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...
Will this Twin XL mattress fit in my room?
Twin XL mattresses have a narrow footprint but extra length. Measure your room and any tight areas like doorways, hallways, or staircases, and compare those measurements with the mattress size and bed frame dimensions listed on the product page to ensure...
Does this iComfort mattress come with a sleep trial or return policy?
Yes, we offer a 100 night sleep trial with any mattress purchase.
Is this mattress built with zoned lumbar support?
Yes, this mattress is designed with zoned lumbar support, providing extra reinforcement in the center section to support your lower back and hips. Check the construction and materials section for details on how the lumbar zone is created in this model...
Is there a weight limit for this Twin XL mattress?
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...
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 ...
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...
How long does it take for a Twin XL mattress to fully expand after unboxing?
Most boxed Twin XL 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 mattress materials can affect expansion time; check the manufacturer...
Is this organic mattress better suited for a primary bedroom, kids room, or 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 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...
Will this organic mattress maintain its comfort and support over time?
This organic mattress is constructed with durable materials designed to maintain their comfort and support under normal use. Review the product's durability information, material specifications, and warranty details to understand how it is expected ...
Will this mattress continue to provide low motion transfer as it ages?
This mattress is built with comfort and support materials selected to maintain their performance under normal use. Review the durability details, foam densities or coil specs, and care recommendations in the product description to understand how its...
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.
Can I use a Twin XL mattress on a bunk bed?
Some bunk beds are designed for standard twins, while others can accommodate Twin XL. Always confirm the bunk bed manufacturer's recommended mattress size and maximum height, and choose a mattress that matches those specifications for safe guardrail...
Is this mattress considered hypoallergenic?
Yes, this mattress is designed with hypoallergenic features such as dust mite-resistant materials, breathable construction, and/or reduced use of common irritants. Check the construction and materials section for details on the specific hypoallergenic...
Does this latex mattress use certified materials or meet specific safety standards?
This latex mattress is manufactured to meet applicable safety and emissions regulations, and may use latex and fabrics that carry third-party certifications. Check the product details for specific information about any certifications or safety testing...
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.
Do I need a mattress protector for a Twin XL mattress?
A mattress protector is highly recommended. It helps keep the Twin XL mattress clean by guarding against spills, sweat, and allergens, and it can significantly extend the life of the mattress especially in dorms, kids' rooms, or guest spaces.
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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