- SERTA® iComfort ECO™ 12.5" Firm Memory Foam Mattress
TOP RATED 
LIMITED STOCK 
- CoolTemp™ Cover powered by REPREVE®
- Terra Fusion™ Memory Foam
- Deep Reaction® Max Gel Memory Foam
- CertiPUR-US® certified foams.
- 100% Canada Assembled
Twin XL SOLD OUTCompare at $2,599
Out Of StockOn Display:
Showing of products
How the Mattress Selector Works
The selector asks the questions a good salesperson asks in the first two minutes — who the bed is for, your sleep position, your body type, where you ache, how warm you sleep, the feel you prefer, whether you want a pillow top, and (optionally) your budget — then uses your answers to narrow the range down to a shortlist. It draws on the same mattresses you can browse by hand, including Beautyrest, Serta, Sealy, Springwall, Tempur-Pedic and Stearns & Foster.
Answer the feel question honestly rather than aspirationally — if you’ve slept well on firm beds your whole life, say firm. Side sleepers generally need more give at the shoulder and hip, back and stomach sleepers want less sink so the spine stays neutral, and body weight changes how deeply any mattress compresses — which is why two people can lie on the same bed and honestly call it soft and firm. Whatever the selector suggests is a starting point, not a verdict: you can lie on the result at any of our seven Ontario showrooms, and every mattress it recommends carries the 365-night sleep trial.
A Filter, Not an Oracle
It narrows the full mattress range to a shortlist using what you tell it about how you sleep — treat the result as a starting point for browsing, not a verdict.
Matched to How You Sleep
Sleep position drives support needs: side sleepers generally need more give at the shoulder and hip, while back and stomach sleepers usually do better with less sink.
Protected by the 365-Night Trial
No form can know how a bed feels after three weeks — the 365-night sleep trial covers that part. Every mattress it recommends carries the trial, clearance and discontinued stock excepted — that’s sold as-is.
No Commission, No Steering
Our sleep experts aren’t paid commission — they earn the same whichever mattress you pick, and the same whether you buy today or not.
Frequently Asked Questions About the Mattress Selector
What does the mattress selector ask?
Is the mattress quiz accurate?
Will it push me toward expensive mattresses?
Do I have to use the selector to shop?
Can I try my recommendation in person?
What if the recommendation turns out to be wrong?
Prefer to Browse — or Talk to a Person?
The selector is a shortcut, not a requirement. Browse the full range at your own pace, or visit a showroom and tell a non-commissioned sleep expert how you sleep — they do the same narrowing by hand, with better follow-up questions than any form can ask.
Upgrade your sleep at National Mattress
Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.
Why Choose Us?
- Variety: From plush to firm, we have options for every body type and sleep style.
- Quality: Trusted brands and top-notch materials for long-lasting comfort.
- Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
- Expert Advice: Get personalized recommendations from our sleep specialists.
Mattress Selection Includes
- Memory Foam: Contours to your body for personalized comfort and pressure relief.
- Hybrid: Combines responsive springs with foam for balanced support and comfort.
- Innerspring: Provides firm support, bounce, and cooling airflow.
- Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
- Adjustable Beds: Customize your sleep position for optimal comfort.
