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  • Free Delivery On Orders Over $199

SERTA® Modern Series™ 10" Extra-Firm Gel Foam Mattress - Single/Twin

Serta Modern Series mattresses deliver cutting-edge comfort at a great price point, featuring gel-infused memory foams and a convenient mattress-in-a-box design – all proudly crafted in Canada for today’s lifestyle.

Top Features

– 10 Inch Model with Double Layers of Comfort

–  Serta CoolWick Breathable Cover

–  PureComfort Gel Foam with PureComfort Foam Support Core

– Designed and Built in Canada

Our Price:
$467.00
Retail Price $999.00
In stock
Only 4 left
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Applicable Offers

SERTA® Modern Series™ 10" Extra-Firm Gel Foam Mattress - Single/Twin
Style Memory Foam, Foam Core/No Coils
Firmness Extra Firm
Coil Count N/A
Coil Type N/A
Core Type PureComfort™ Foam Support Core
Core Density 1.8 lb/ft³
Height 10 Inches
Collection Serta® Modern Series™
Model Modern Boost XF - Single/Twin
Warranty 10 Year Warranty
Condition Brand new, manufacturer sealed.
Comfort Scale
  • Soft
  • Medium
  • Firm
  • Extra Firm
Comfort IQ™: This mattress firmness is accurate and comparable to other extra-firm mattresses. (10/10)
Recommended For: Back Sleepers, Stomach Sleepers

Serta Modern Series 10" Extra-Firm Gel Foam Mattress - Single/Twin: Elevate Your Sleep Experience to Unmatched Comfort

Step into a world of unparalleled relaxation with the Serta Modern Boost XF mattress, expertly crafted to ensure your sleep is as refreshing as it is tranquil. It features the plush PureComfort Gel Foam layered over a resilient PureComfort Foam Support Core, enveloped in a Serta CoolWick Breathable Cover. Enjoy the perfect balance of firmness and softness that makes every night a soothing escape, allowing you to awaken fully revitalized!

Key Features

  • Innovative 10 Inch Design: This mattress boasts a double layer of comfort to provide excellent support while reducing pressure points, resulting in a significantly improved sleep quality.
  • Serta CoolWick Breathable Cover: Designed to actively keep moisture away, this cover ensures you stay cool and comfortable all night long, eliminating discomfort associated with heat retention.
  • PureComfort Gel Foam: Made from eco-friendly materials, this gel-infused foam adjusts to your body’s shape, delivering a plush feel while helping maintain the perfect sleep temperature.
  • Durable PureComfort Foam Support Core: Engineered for solid support, this core ensures that comfort is not a fleeting feeling but a lasting experience, letting you enjoy uninterrupted restful sleep.

Benefits

  • Refreshing Sleep Surface: The unique CoolWick fabric enhances airflow, creating a refreshing and dry atmosphere for a more restorative sleep experience.
  • Crafted with Care: Proudly built in Canada, using CertiPUR-US certified foams, this mattress guarantees a safe sleeping environment free from harmful chemicals.
  • Confidence in Purchase: A 100 night sleep trial and a comprehensive manufacturer's warranty ensure your investment is protected, allowing you to buy with confidence.
  • Perfect for Various Sleepers: Designed to accommodate different sleeping styles, the Serta Modern Boost XF mattress is ideal for anyone looking for exceptional comfort combined with robust support.

Ideal For

  • Individuals who prefer a firm sleeping surface to enhance their spine alignment.
  • People who need relief from discomfort caused by pressure points.
  • Those who desire a cooler sleeping environment, thanks to innovative CoolWick technology.

Details

  • Dimensions: 39″ x 75″ (inches) – 99cm x 190.5cm (centimeters)
  • Firmness: Extra Firm
  • Profile Height: 10 Inches
  • Warranty: Full manufacturer's warranty provided
  • Guarantees: Free next day delivery, price match guarantee, and a 100 night sleep trial for your peace of mind

In conclusion, the Serta Modern Boost XF mattress represents a seamless blend of innovative design and outstanding craftsmanship. This mattress invites you to indulge in a spectacular sleep experience, tailored to meet your comfort needs. Embrace the tranquil escape that will leave you refreshed and ready to seize the day ahead!

More Information
Mattress Size

Single/Twin

Mattress Type

Memory Foam, Foam Core/No Coils

Features

Cooling Technology, Temperature Regulating, Breathable, Low Motion Transfer, Pressure Point Relief, Edge Support, Moisture Wicking, Compatible with Adjustable Bed Base

Trending & Offers

On Sale

Firmness

Extra Firm

Core Type PureComfort™ Foam Support Core
Core Density 1.8 lb/ft³
Core Material Polyurethane (polyfoam)
Brands Serta
Price Range Great Value
Model Modern Boost XF - Single/Twin
Collection Serta® Modern Series™
Condition Brand new, manufacturer sealed.
Warranty 10 Year Warranty
Sleep Position Back Sleepers, Stomach Sleepers
Cover Material Serta CoolWick™ Breathable Cover
Colour Blue
Quilt Non-quilted stretch-knit cover
Comfort Layers PureComfort™ Gel Foam
Support Layers Serta® Support Foam
Mattress Core PureComfort™ Foam Support Core
Mattress Height in Inches 10.00 Inches
Additional Features Advanced Cooling Construction
Certifications CertiPUR-US® certified foams.
Compatible With Adjustable Beds Yes
Vented No
Removable Cover No
Handles No
Care Instruction Spot clean. Mattress protector recommended.
Country of Origin Canada
Manufacturer Contact Information https://www.sertacanada.com
Single/Twin Size Dimensions 38" x 75" (inches) - 96.5cm x 190.5cm (centimeters)
Custom Sizes Available No
Product Length (inches) 75 in
Product Width (inches) 38 in
Product Height (inches) 10 in
Product Weight (lb) 56.600000
Product Length (cm) 190.5 cm
Product Width (cm) 96.5 cm
Product Height (cm) 25.4 cm
Product Weight (kg) 25.7 kg
Product Barcode 0690214113650
Product Code 850002148-1010
Product Model Code SERTA-MODERNBOOSTXF
Product SKU SERTA-MODERNBOOSTXF-SINGLETWIN
Product Category Mattress
Product Sub Category Tier Value
Product Type Mattress - Foam Core
Product Sub Type Memory Foam

Serta Modern Boost Extra Firm Mattress Spec Card

Serta is proud to be the manufacturer of the World’s Best Mattress™. Their commitment to quality has made them a leader in the industry, and they look forward to helping you find the right mattress so you can get a better night’s sleep for years to come.
Visit our Mississauga mattress outlet or Toronto mattress outlet 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 than 80 years, Serta has been making consistent investments into the highest quality and most innovative features to ensure that every mattress set we manufacture delivers superior comfort and support.  Throughout its history, Serta has been an industry leader, offering many product “firsts” – including the world’s first-ever “tuftless” mattress. Today, Serta is proud to offer a variety of exclusive features including our patented Advanced Comfort Quilt® and Continuous Support® Innerspring.

 

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
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...
Does this mattress have strong edge support?
This extra-firm mattress includes edge-support features such as reinforced coils or denser foam rails to help reduce roll-off and make it comfortable to sit or sleep near the edge. Check the product description for more details on how the edges are ...
Is this Serta mattress suitable for side, back, or stomach sleepers?
This Serta mattress is built with a specific firmness and support profile that will suit some sleep positions better than others. Check the comfort description and recommended sleep positions listed in the product details to see whether it is best for...
Can I use this twin mattress on a daybed or trundle bed?
Most daybeds and trundle beds are built for standard twin mattresses. Verify the bed's internal dimensions and any height limitations, and then compare them to the mattress measurements on the product page to ensure a proper fit.
How does this mattress compare to your non-adjustable models?
This mattress is designed to work seamlessly with adjustable bases, using flexible materials and construction that allow repeated articulation. Compare its firmness, materials, and warranty terms with our non-adjustable models if you are deciding between...
Do I need a mattress protector for this memory foam mattress?
A mattress protector is strongly recommended for any memory foam 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 foam ...
If something goes wrong, do I contact you or the manufacturer for a warranty claim?
If you experience an issue that you believe is warranty-related, start by contacting the retailer where you purchased the mattress. They can guide you through the correct process, which may involve working directly with the manufacturer or submitting...
How long does it take for a twin mattress to fully expand after unboxing?
Most boxed twin 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 materials can affect expansion time; check the manufacturer's guidance...
What motion isolation technologies are used in this mattress?
This mattress uses specific motion isolation features such as memory foam, high-density transition foams, and/or pocketed coils to help absorb movement. See the construction and materials section for a breakdown of how each layer contributes to reducing...
What comfort and support technologies does this Serta mattress use?
This Serta mattress uses a combination of comfort and support technologies such as a coil support system, reinforced zones, and specialty comfort foams that may include memory foam or gel-infused foam. Check the product description for a breakdown of...
Is this twin mattress compatible with an adjustable base?
Some twin mattresses, especially foam and hybrid models, are designed to bend and flex on adjustable bases. Check the product description for specific notes about adjustable base compatibility, and follow the manufacturer's guidelines to maintain warranty...
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 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 all foam, hybrid, or innerspring?
This mattress uses the construction described on the product page, for example all foam, hybrid, or innerspring. Review the materials section to see details about the support core, comfort layers, and cover so you know what type of feel and performance...
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...
Will this 10 inch mattress feel different from my current thinner mattress?
Yes. A 10 inch mattress typically feels more substantial than a thin mattress, with more noticeable comfort layers and often better pressure relief. If you are upgrading from a 6 or 8 inch model, you may experience increased cushioning and support, especially...
Do I need a mattress protector for a twin mattress?
A mattress protector is highly recommended. It helps keep the twin mattress clean by guarding against spills, sweat, dust, and allergens, and it can significantly extend the life of the mattress, especially in kids' rooms or guest spaces.
Can I use this twin mattress on a slatted bed frame?
Yes, most twin mattresses can be used on slatted frames as long as the slats are properly spaced and sturdy. Many manufacturers recommend slats that are no more than about 3 apart to support the mattress and prevent sagging between slats.
Is this twin mattress comfortable for everyday use?
This twin mattress is designed for regular, nightly use with a balance of comfort and support suitable for its intended sleeper group (such as kids, teens, guests, or adults). Check the firmness, materials, and customer reviews on the product page to...
Is this mattress a good choice if my partner and I have different builds?
This extra-firm mattress is designed to provide very strong support across the surface, which can help when there is a weight difference between partners. If one partner prefers more cushioning, consider pairing this mattress with a topper on their ...
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 Serta mattress compatible with an adjustable base?
Several Serta mattresses are designed to be compatible with adjustable bases and can bend and flex with the base's movement. Look for adjustable-base compatibility in the product description and make sure any base you choose meets Serta's support requirements...
Is this mattress a true memory foam mattress or just regular foam?
This mattress is a true memory foam design, using viscoelastic foam in the comfort system that responds slowly to pressure and contours closely to your body. You can confirm this in the construction and materials section, which specifies memory foam...
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...
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