SERTA® Spectrum™ 8" Medium-Firm Gel Memory Foam Mattress Queen
Serta Spectrum mattresses bring the trusted comfort of Serta into a convenient mattress-in-a-box, featuring cooling gel memory foam and durable support – an ideal blend of comfort and convenience for Canadians.
Serta Spectrum 8" Medium-Firm Gel Memory Foam Mattress Queen - Embrace Luxurious Comfort Every Night!
Transform your sleep with the Serta Spectrum 8" Queen mattress, expertly crafted to provide you with cloud-like softness and support. This premium mattress features innovative CoolTwist Gel Foam coupled with SertaPure Foam Core, ensuring a perfect blend of plush comfort and durability. Wrapped in a breathable Serta CoolWick cover that enhances airflow and keeps moisture at bay, it's your ticket to a refreshingly cool sleep experience every night.
Key Features
Dual Comfort Layers: The 8-inch design incorporates two sumptuous layers of foam, delivering personalized comfort that adjusts seamlessly to your body shape, alleviating pressure and ensuring restful sleep.
Advanced Serta CoolWick Cover: This cutting-edge material effectively wicks moisture away, promoting a dry sleep surface while reducing static for an uninterrupted night's rest.
Thermal-Regulating CoolTwist Gel Foam: Infused with cooling gel, this foam layer enhances airflow, maintaining an ideal sleeping temperature and providing you with soothing comfort all night long.
Benefits
Durable and Supportive: The SertaPure Foam Core is crafted for longevity and exceptional support, ensuring your mattress conforms gracefully to your unique contours for countless nights of rejuvenating sleep.
Enhanced Breathability: Designed to prevent heat retention, the Serta CoolWick cover enhances airflow for an invigorating sleep, helping you wake up refreshed and ready to conquer the day.
Peace of Mind with CertiPUR-US Certification: Knowing your mattress is made from safe materials free of harmful chemicals provides a soothing start to every night.
Ideal For
Individuals seeking an ideal mix of support and comfort throughout the night.
Partners who desire minimized motion transfer for enhanced sleep quality.
Those preferring a medium-firm mattress that balances plush cushioning with robust support.
Details
Dimensions: 60″ x 80″ (inches) - 152.5cm x 203cm (centimeters)
Profile Height: 8 Inches
Firmness: Medium
Warranty: Full Manufacturer's Warranty
Guarantees: Free next day delivery, 100 night sleep trial, price match guarantee
Upgrade your sleep sanctuary with the Serta Spectrum 8" Queen mattress—a harmonious blend of luxurious materials and thoughtfully designed technology. Crafted with meticulous skill in Canada, this mattress promises to envelop you in a blissful embrace, making every night an opportunity for rejuvenation and escape into comfort. Indulge in a sleep experience that truly defines restful nights!
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.
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 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 at night.
What kind of foams are used in this Serta mattress?
This Serta mattress uses selected comfort and support foams such as conventional polyfoam, memory foam, or gel-infused foam to balance comfort, support, and temperature regulation.
See the product's materials and construction section for detailed information...
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...
Is this queen mattress suitable for a platform bed or storage bed?
Most queen mattresses are compatible with platform and storage beds as long as the base provides adequate support.
Check the product details for any specific base recommendations and ensure your bed frame's slats or platform are sturdy and properly ...
Is this foam mattress suitable for couples with different comfort preferences?
This 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 rating, motion isolation information, and customer feedback to see how well...
Does this queen 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.
...
Does this mattress have strong edge support?
This medium-firm mattress is designed with supportive edge features such as reinforced perimeter foam or sturdier edge coils to help reduce roll-off and make it more comfortable to sit or sleep near the edge.
Check the product description for specific...
Do I need a mattress protector for warranty?
Some warranties strongly recommend or require using a mattress protector to prevent stains and damage. Check the care and warranty instructions on this product page to see if a protector is required or simply advised for maintaining coverage.
Is there a sleep trial so I can see if this works for me as a side sleeper?
Yes, we offer a 100 night sleep trial with any mattress purchase.
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...
Will this mattress hold its shape over time?
This medium-firm mattress is built with durable support and comfort materials to help maintain its shape and feel for years under normal use.
Following the care and support guidelines on the product page will help you get the best performance and longevity...
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