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We invested in manufacturing automation to create the most affordable 9-inch antimicrobial foam mattress entirely made in Canada by reducing labor costs and non-crucial steps. You can enjoy peaceful nights knowing that this value mattress - that has the same quality as every others Polysleep's products - is looking after your health and... your wallet!
The Sierra Mattress
We invested in manufacturing automation to create the most affordable 9-inch antimicrobial foam mattress entirely made in Canada by reducing labor costs and non-crucial steps. You can enjoy peaceful nights knowing that this value mattress - that has the same quality as every others Polysleep's products - is looking after your health and... your wallet!
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We invested in manufacturing automation to create the most affordable 9-inch antimicrobial foam mattress entirely made in Canada by reducing labor costs and non-crucial steps. You can enjoy peaceful nights knowing that this value mattress - that has the same quality as every others Polysleep's products - is looking after your health and... your wallet!
The 9" Sierra memory foam mattress is made of 2 layers.
Mechanically sown cover:
100% Polyester.
Comfort layer (2 inches):
Polysleep open cell viscoelastic hybrid foam ISO 20743 certified -
Density of 3.0 lb/ft3.
Support layer (7 inches):
Polysleep foam - Density of 1.5 lb/ft3.
Our foams are latex free.
CertiPUR-US: manufactured without ozone depleting
chemicals and regulated by the
Consumer Product Safety Commission for indoor
air quality (less than 0.5 ppm) and for volatile
organic compound emissions (Low VOC).
ISO 20743: ISO certified medical standard; no more dust mites or bacteria buildup.
We invested in manufacturing automation to create the most affordable 9-inch antimicrobial foam mattress entirely made in Canada by reducing labor costs and non-crucial steps. You can enjoy peaceful nights knowing that this value mattress - that has the same quality as every others Polysleep's products - is looking after your health and... your wallet!
The Sierra Mattress
Compared to Competition
Our products are carefully and delicately crafted in a local factory using state-of-the-art manufacturing methods. We take pride in working with superior, durable materials and always offer the best possible source of comfort on the market.
Polysleep Sierra | Juno Mattress | IKEA Valevåg | Endy Mattress | |
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Queen Price Your future Sierra mattress is the best price for the quality you can get. |
485$ |
499$ |
599$ |
895$ |
Mattress Height A value mattress shoudn't be one that feels like sleeping on hard rocks. |
9" |
8" |
9 1/2" |
10" |
Made in Canada Why invest in an international product when you can purchase locally. |
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Antimicrobial Certified ISO 20743 Foam Allergies are something from the past. Sleep like a baby! |
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Reduced Motion Transfer Made with viscoelastic open cell foams, you won’t notice your partner’s movement anymore. |
The Sierra Mattress
Canada's Top Value Foam Mattress




Antimicrobial Foam
The antimicrobial top layer inhibits the growth of bacteria and provides a healthier sleep.
Supportive Foam Base
The base layer, made of millions of foam cells, provides unparalleled reinforcement.
Sown Cover
Mechanically sown cover that allow us to reduce the cost of the product without impacting quality of the textile used.
Firmness Scale
Our mattresses are rated on a firmness scale from 1 to 10, with 1 being the softest and 10 being the firmest. Experts from various medical backgrounds recommend a semi-firm mattress between 5 and 8 on the firmness scale.
High-Quality at a Value Price
We tried an automated manufacturing process and it worked! The end result? Lower cost and lower price without any impact on quality!
What does a Sown Cover look like?
This automated procedure allows us to build the Sierra with lower costs coming from inefficient factory processes. It is possible now to offer a value option without impacting on the quality of raw material.
The main difference is that when you will receive your mattress, to make it look like a superstar, you will have to hide corners inside the cover.
Anyway... with blankets, you'll never notice it again! But, you will surely remember all the money you saved on your mattress!