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  • Over 5,000 Mattresses In Stock
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  • Everything Brand New and Sealed
  • Free Delivery On Orders Over $199

SERTA® iComfort® PRO 12.5" Plush 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.

Top Features

– CoolFeel™ Pro System

– 5 ZoneResponse™ Design

– Graphite-Infused True Response™ Latex Foam

– True Response™ Latex Foam

– Derived from 100% Natural Latex

– 100% Canada Assembled

Our Price:
$3,099.00
Retail Price $4,499.00
In stock
Only 2 left
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Applicable Offers

SERTA® iComfort® PRO 12.5" Plush Latex Mattress - King
Style Memory Foam, Organic & Latex, Foam Core/No Coils
Firmness Plush
Coil Count N/A
Coil Type N/A
Core Type 7" Serta® Foam Core
Core Density 2.2 lb/ft³
Height 12.5 Inches
Collection iComfort® Pro™
Model Preston 12.5" Firm - King
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 plush mattresses. (3/10)
Recommended For: Side Sleepers

SERTA iComfort Pro 12.5" Plush Latex Mattress - Discover Unmatched Comfort Every Night!

Transform your sleep experience with the SERTA iComfort Pro Latex Plush Mattress, the pinnacle of luxury designed for those who prioritize both softness and support. This 12.5-inch plush masterpiece, proudly crafted in Canada, showcases an innovative fusion of naturally sourced latex foam and advanced cooling systems, guaranteeing a fresh and revitalizing slumber.

Key Features

  • CoolFeel Pro Cooling Technology: Designed with a state-of-the-art cooling fabric, this mattress incorporates breathable latex foam that efficiently wicks away heat for a pleasantly cool sleep surface throughout the night.
  • 5 ZoneResponse Support: Featuring five uniquely designed support zones, this mattress promotes optimal spinal alignment, delivering the ideal balance of comfort and support from head to toe.
  • Graphite-Infused True Response Latex Foam: Enhanced with graphite, this latex foam works tirelessly to manage temperature, drawing heat away from the body without sacrificing luxurious comfort.
  • Durable True Response Latex Foam Core: Made from purely natural latex, this core ensures unparalleled responsiveness and longevity, letting you wake up restored and ready for the day.
  • Eco-Friendly & Locally Made: Assembled in Canada with no harmful chemicals, this mattress adheres to strict quality standards, reflecting a commitment to sustainability.

Benefits

  • Luxurious Sleep Every Night: Experience heavenly comfort with latex foam that eases pressure points, avoiding the sinking feeling common in traditional mattresses, so you can indulge in restful nights.
  • Optimal Pressure Relief: The responsive latex material effortlessly adapts to your body's contours, offering essential relief to key pressure areas, promoting deep and healthy sleep.
  • Long-Lasting Quality: Boasting an all-natural latex base, this mattress remains resilient against sagging, ensuring consistent plushness and satisfaction for years to come.
  • Support for Local Industry: Proudly crafted in Canada, this mattress not only meets high standards of quality but also supports local craftsmanship.

Ideal For

This remarkable mattress is perfectly suited for anyone seeking a blend of cloud-like softness and robust support. Whether you sleep on your back, side, or stomach, this mattress fosters rejuvenating sleep, allowing all types of sleepers to wake up refreshed and energetic.

Details

  • Dimensions: 76″ x 80″ (193cm x 203cm)
  • Profile Height: 12.5 Inches
  • Firmness Level: Plush
  • Warranty Information: Full manufacturer's warranty
  • Peace of Mind Guarantees: Enjoy free next day delivery, price match guarantee, and a 100 night sleep trial

The SERTA iComfort Pro Latex Plush Mattress is where luxury meets functionality, offering superior craftsmanship paired with innovative materials. Say farewell to restless nights and embrace the serene comfort that awaits you every time you lay down to rest. Experience the difference with SERTA and indulge in every night of peaceful sleep!

More Information
Mattress Size

King

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

Trending & Offers

VIP Pricing, New Arrival, Limited Stock

Firmness

Plush

Core Type 7" Serta® Foam Core
Core Density 2.2 lb/ft³
Core Material Polyurethane (polyfoam)
Brands iComfort
Price Range Luxury
Model Preston 12.5" Firm - King
Collection iComfort® Pro™
Condition Brand new, manufacturer sealed.
Warranty 10 Year Warranty
Sleep Position Side Sleepers
Cover Material CoolFeel™ Pro Fabric with Serta® Anti-microbial Fibre Technology
Colour White, Blue
Quilt Serta® Pillo-Fill + 1.5" Serta® PillowSoft Foam
Comfort Layers 1" Graphite Infused True Response™ Latex Foam
Support Layers 1" True Response™ Latex Foam + 2" Serta® Comfort Foam
Mattress Core 7" Serta® Foam Core
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
King Size Dimensions 76" x 80" (inches) - 193cm x 203.2cm (centimeters)
Custom Sizes Available No
Product Length (inches) 80 in
Product Width (inches) 76 in
Product Height (inches) 12.5 in
Product Weight (lb) 151.000000
Product Length (cm) 203.2 cm
Product Width (cm) 193 cm
Product Height (cm) 31.8 cm
Product Weight (kg) 68.5 kg
Product Barcode 690214187019
Product Code 850501852-1060
Product Model Code ICOMFORT-PRESTON
Product SKU ICOMFORT-PRESTON-KING
Product Category Mattress
Product Sub Category Tier Luxury
Product Type Mattress - Foam Core
Product Sub Type Memory Foam
SERTA iComfort Pro Latex Plush Mattress - Preston -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
What type of mattress is this (foam, latex, hybrid, or innerspring) and how does that affect pressure relief?
This pressure-relief mattress uses a specific core type such as foam, latex, hybrid, or innerspring paired with pressure-relieving comfort layers. Check the construction section to see how the core and top layers work together to cushion pressure points...
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...
What type of protector and sheets do you recommend for this mattress?
For this breathable mattress, we recommend a breathable, moisture-wicking mattress protector and deep-pocket, natural-fiber sheets that won't compress the comfort layers excessively. Check the product recommendations or accessories section for options...
What materials are used to create the plush feel in this mattress?
This mattress uses softer comfort materials near the surface to create a plush feel such as cushioning foams, fiber quilting, or specialty comfort layers. Check the materials list on the product page for specific details on the foams, fibers, or other...
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 ...
What are the key layers in this mattress that reduce motion transfer?
This mattress uses specific comfort and support layers such as memory foam, transition foams, and/or pocketed coils to help absorb and isolate movement. See the construction and materials section for a layer-by-layer breakdown of how this model minimizes...
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...
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...
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 there a weight limit for this king mattress?
Most king 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 intended...
What kind of support core does this mattress use?
This temperature-regulating mattress uses a support core made from coils, latex, or foam, combined with comfort layers and fabrics that stabilize temperature. Check the construction section for details on the core type and how it works with the temperature...
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...
Can this mattress serve as my primary bed for many years?
Yes, this adjustable-bed-friendly mattress is designed for long-term nightly use when paired with a compatible adjustable base and maintained properly. Review the durability specs, warranty coverage, and care recommendations to understand its expected...
Is this mattress supportive enough for a heavier side sleeper?
This mattress uses a supportive core designed to handle higher loads while still providing pressure relief on the surface. Heavier side sleepers typically do well with a medium to medium-firm feel, which helps prevent excessive sinking at the hips and...
How does this mattress compare in value to your conventional models?
This eco-friendly mattress offers a combination of sustainable materials, cleaner manufacturing, and comfort features that may justify its price compared to conventional models. Compare its construction, certifications, expected lifespan, and cost with...
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.
Will this memory foam mattress hold its shape and support over time?
This memory foam mattress is built with support and comfort foams selected to maintain their feel under normal use. Review the durability details, foam densities (if provided), and care recommendations in the product description to understand how to...
How does this mattress help guard against dust mites and other allergens?
This mattress incorporates features such as tightly woven or treated covers, dense core materials, and/or breathable construction to help reduce dust mite and allergen buildup. See the product description for details on the specific anti-allergen strategies...
Is this mattress a true latex mattress or does it just have a latex layer?
This mattress uses latex foam as a key component in its comfort and/or support system and is classified as a latex mattress. You can confirm the extent of latex content in the construction and materials section, which will show how much of the mattress...
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...
What hypoallergenic materials and certifications does this mattress use?
This mattress uses specific materials such as dust mite-resistant covers, well-ventilated foams or latex, and/or low-emission components chosen to support a hypoallergenic design. See the construction and certifications section for details on the materials...
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...
Is this mattress specifically designed to be breathable?
Yes, this mattress uses breathable materials and a construction that encourages airflow such as open-cell foams, coils, or ventilated latex along with a breathable cover. Check the construction and materials section for details on the features that ...
Will the temperature-regulating features in this mattress still be noticeable after a few years?
The most intense cool touch sensations may soften over time, but the mattress's core temperature-regulating design such as breathable materials, airflow-promoting cores, and phase-change layers should continue to help stabilize sleep temperature under...
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...
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 ...
Does this memory foam mattress have cooling features?
This memory foam mattress incorporates materials and design elements such as gel-infused or open-cell memory foam and breathable cover fabrics intended to help manage heat. Check the product description for specific cooling technologies included in ...
Is this plush mattress suitable if I have lower back pain?
This plush mattress is designed to combine surface cushioning with underlying support. If you experience lower back pain, look for details on the support system (such as zoned coils or high-density foam) and consult with your healthcare provider to ...
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...
Has this memory foam mattress been tested for emissions or safety standards?
This memory 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 foam mattress suitable for side, back, or stomach sleepers?
This 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 listed in the product details to see whether it is best for side...
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 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.
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...
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 the cost of shipping or inspection covered under this warranty?
Some warranties cover shipping or inspection costs, while others require the customer to pay a fee for pickup, return, or in-home inspection. Check the warranty details for this mattress to see who is responsible for any associated costs during a warranty...
Is this mattress a good choice if I sit on the edge often or have mobility concerns?
This mattress's reinforced edge design is intended to provide a stable surface for sitting and easier transitions from bed to standing. Check the firmness and customer reviews to confirm that the edge height, feel, and stability are appropriate for ...
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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