Home

SERTA® Modern Series™ 8" Medium Firm Gel Foam Mattress - Twin XL

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

Add To Compare

– 8 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:

$382.00

Retail Price $799.00

In stock

Only 6 left

Mattress Size : Twin XL

View All Sizes

Boxspring

Without Boxspring

Mix-Match Boxspring

Matching Boxspring

Options

Standard 8" + $110.00

Low Profile 4" + $110.00

Platform 2" + $110.00

Options

High Profile 9" + $197.00

Low Profile 5" + $197.00

Qty

Applicable Offers

+ Get 15% OFF any Sleep Accessories Bundle with the purchase of any mattress.

+ Become a VIP MEMBER and SAVE even more on your mattress purchase!

➜ A portion of every sale supports the Sleeping Children Around The World (SCAW) Foundation. Click here to learn more.

Our Guarantees

+ Full Manufacturer’s Warranty

+ 100 Night Sleep Trial

+ Price Match Guarantee

+ Made in Canada

➜ Not sure which mattress is best for you? Try our MATTRESS SELECTOR to help you decide!

➜ See our REVIEWS from verified customers!

SERTA® Modern Series™ 8" Medium Firm Gel Foam Mattress - Twin XL

Skip to the end of the images gallery

Memory Foam, Foam Core/No Coils, Twin XL Size Mattress, Serta Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-1

Memory Foam, Foam Core/No Coils, Twin XL Size Mattress, Serta Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-2

Memory Foam, Foam Core/No Coils, Twin XL Size Mattress, Serta Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-3

Memory Foam, Foam Core/No Coils, Twin XL Size Mattress, Serta Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-4

Memory Foam, Foam Core/No Coils, Twin XL Size Mattress, Serta Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-5

Memory Foam, Foam Core/No Coils, Twin XL Size Mattress, Serta Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-6

Skip to the beginning of the images gallery

Style	Memory Foam, Foam Core/No Coils
Firmness	Firm
Coil Count	N/A
Coil Type	N/A
Core Type	PureComfort™ Foam Support Core
Core Density	1.8 lb/ft³
Height	8 Inches

Collection	Serta® Modern Series™
Model	Modern Comfort - Twin XL
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 firm mattresses. (8/10)

Recommended For: Back Sleepers, Stomach Sleepers

Our Guarantees

+ Full Manufacturer’s Warranty

+ 100 Night Sleep Trial

+ Price Match Guarantee

+ Made in Canada

➜ Not sure which mattress is best for you? Try our MATTRESS SELECTOR to help you decide!

➜ See our REVIEWS from verified customers!

Description

Serta Modern Series 8" Medium Firm Gel Foam Mattress - Twin XL: Sleep in Luxury and Style Every Night

Discover the Serta Modern Comfort mattress, a Twin XL oasis that combines plush comfort with cutting-edge technology. Featuring the unique PureComfort Gel Foam, this mattress is engineered for those who crave a rejuvenating night’s sleep. With a delightful medium-firm feel and an 8-inch profile topped by the breathable Serta CoolWick Cover, it promises a refreshing escape into cloud-like softness, transforming your bedtime into a dream experience every night.

Key Features

8-Inch Dual Comfort Layers: Merging two innovative layers, this mattress is crafted to offer the ideal balance of softness and sturdy support, catering to the specific needs of various sleepers.
Moisture-Wicking Serta CoolWick Cover: Designed specially to enhance airflow and dissipate heat, this cover ensures you stay cool and dry throughout the night.
Advanced PureComfort Gel Foam: This gel-infused foam ensures that you remain comfortably cool while providing gentle support, adjusting to your body temperature seamlessly.
Robust PureComfort Foam Support Core: Engineered for ultimate durability, this robust core supports your body evenly, enhancing comfort and longevity.
Crafted in Canada: Proudly made in Canada, every mattress reflects exceptional quality craftsmanship and meticulous attention to detail.

Benefits

Transformative Sleep Experience: Experience restful nights with a cooling mattress that gently cradles your body, allowing you to wake up rejuvenated and ready for the day.
All-Sleeping Position Compatibility: The medium-firm mattress supports every sleeping position, ensuring tranquil sleep no matter how you rest.
Innovative Cooling Technology: Enjoy an uninterrupted cool sleep thanks to the advanced CoolWick cover and gel-infused foam, preventing any waking due to overheating.
Reliable Peace of Mind: With a comprehensive manufacturer's warranty and a 100 night sleep trial, you can rest easy knowing your satisfaction is assured.

Ideal For

This mattress is the perfect upgrade for students or young professionals seeking a compact yet indulgent sleeping solution. The Twin XL size effortlessly fits into tight spaces without compromising comfort, making it an excellent choice for dorm rooms or shared apartments. The Serta Modern Comfort mattress ensures that everyone can indulge in a nightly retreat into luxurious support and soothing softness.

Details

Dimensions: 38″ x 80″ (inches) / 96.5cm x 203cm (centimeters)
Profile Height: 8 Inches
Firmness: Medium-firm
Warranty: Full manufacturer's warranty included
Guarantees: Free next day delivery, price match guarantee, and a comforting 100 Night Trial

In summary, the Serta Modern Comfort Twin XL mattress is your gateway to luxurious sleep. With its remarkable features, advanced cooling technologies, and superior craftsmanship, it delivers exceptional comfort and support. Opt for Serta and elevate your sleep experience, waking up refreshed and revitalized every day!

Specifications

More Information
Mattress Size	Twin XL
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	Best In Class
Firmness	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 Comfort - Twin XL
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	2" PureComfort™ Gel Foam
Support Layers	Serta® Support Foam
Mattress Core	6" PureComfort™ Foam Support Core
Mattress Height in Inches	8 .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 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)	8 in
Product Weight (lb)	48.300000
Product Length (cm)	203.2 cm
Product Width (cm)	96.5 cm
Product Height (cm)	20.3 cm
Product Weight (kg)	21.9 kg
Product Barcode	0690214106133
Product Code	850002928-1020
Product Model Code	SERTA-MODERNCOMFORT
Product SKU	SERTA-MODERNCOMFORT-TWINXL
Product Category	Mattress
Product Sub Category Tier	Value
Product Type	Mattress - Foam Core
Product Sub Type	Memory Foam

More Info.

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.

Delivery Options

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

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.

Shop Mattresses

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.

Need help? 1‑800‑631‑4883 [email protected]

Product Questions (23)

Customer Questions

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 memory foam mattress suitable for couples with different comfort preferences?

This memory foam mattress is designed with a balanced comfort and support profile that many sleepers find comfortable, but it may still favor certain preferences. Review the firmness level, motion isolation information, and customer feedback to see ...

Can this Twin XL mattress be used as part of a split king setup?

Many Twin XL mattresses are designed to be paired with a second Twin XL to create a split king. Check the product details for any notes about split king compatibility and confirm that the mattress thickness and construction match if you're buying two...

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...

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 mattresss edge support still work if I change the frame or base?

This mattress's edge support is designed to perform best on a solid, supportive foundation. If you switch to a weaker or uneven frame, you may experience reduced stability at the perimeter, so always ensure your base meets the manufacturer's support...

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...

Will this mattress hold its shape and pressure-relieving feel over time?

This pressure-relief mattress is built with comfort and support materials selected to maintain their feel under normal use. Review the durability details, foam densities or coil specifications, and care recommendations in the product description to ...

Will this foam mattress hold its shape and support over time?

This foam mattress is built with support and comfort foams selected to maintain their feel under normal use. Check the durability details, foam densities (if provided), and care recommendations in the product description to understand how to get the...

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...

Is this Twin XL 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 Twin XL mattresses described as medium or medium-soft with contouring comfort layers that adapt to the body's curves.

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...

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...

Will this mattress help my bed feel less damp or clammy?

This breathable mattress is designed to allow air and moisture to move through the comfort and support layers more easily than very dense, closed-off designs. While it won't change your room's humidity, it can help reduce how damp or clammy your bed...

Do I need a mattress protector for my Serta mattress?

A mattress protector is strongly recommended for any Serta 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 layers...

Does this Twin XL mattress have strong edge support?

Many Twin XL mattresses include reinforced edges or sturdier coils around the perimeter to prevent roll-off and make it more comfortable to sit on the side of the bed. Check the product description for references to edge support or perimeter reinforcement...

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 this foam mattress?

A mattress protector is strongly recommended for any 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 layers ...

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...

How long is the warranty on this mattress?

This mattress includes a warranty of the length shown in the product details (for example, 10 years). The warranty terms explain exactly what is covered, how long non-prorated and prorated coverage lasts (if applicable), and what conditions apply.

Did you find what you were looking for?

Your question:

Your name:

get notification on email when the answer is ready

Your e-mail: