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SEALY® Cocoon™ 8" Medium Firm Memory Foam Mattress - King

Sealy® Cocoon™ is a premium mattress-in-a-box collection that combines Sealy’s renowned support with modern convenience. Enjoy contouring memory foam comfort (with optional cooling technology) and hassle-free delivery across Canada.

Top Features

Add To Compare

– Premium Fabric Cover

– Perfect Fit Memory Foam

– Personalized Comfort Layer

– Essential Support Foam

– 10 Year Warranty

Our Price:

$1,499.00

Retail Price $1,899.00

In stock

Only 2 left

Mattress Size : King

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Boxspring

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Options

Standard 8" + $220.00

Low Profile 4" + $220.00

Platform 2" + $220.00

Options

High Profile 9" + $358.00

Low Profile 5" + $358.00

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➜ 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!

SEALY® Cocoon™ 8" Medium Firm Memory Foam Mattress - King

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Memory Foam, Foam Core/No Coils, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-1

Memory Foam, Foam Core/No Coils, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-2

Memory Foam, Foam Core/No Coils, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-3

Memory Foam, Foam Core/No Coils, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-4

Memory Foam, Foam Core/No Coils, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-5

Memory Foam, Foam Core/No Coils, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-6

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Style	Memory Foam, Foam Core/No Coils
Firmness	Medium
Coil Count	N/A
Coil Type	N/A
Core Type	Flexible Essential Support Foam
Core Density	1.8 lb/ft³
Height	8 Inches

Collection	Sealy® Cocoon™
Model	Cocoon Medium - King
Warranty	10 Year Warranty
Condition	Brand new, manufacturer sealed.

Comfort Scale

Soft
Medium
Firm
Extra Firm

Comfort IQ™: This mattress is slightly softer compared to other medium-firm mattresses. (4/10)

Recommended For: Side Sleepers, 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

Sealy Cocoon 8" Medium Firm Memory Foam Mattress - Discover Unmatched Comfort Each Night

Transform your sleep sanctuary with the King size Sealy Cocoon Medium Firm Memory Foam Mattress-In-A-Box. Featuring an exquisite Premium Knit Cover and our innovative Perfect Fit Memory Foam, this mattress is designed to provide a medium-firm feel that envelops you in luxurious solace. With a carefully crafted Personalized Comfort Layer and Essential Foam Support, enjoy truly restful nights that rejuvenate and refresh your body. Arriving at your doorstep compressed for easy handling, indulge in seamless comfort delivered straight to your home across Canada.

Key Features

Premium Fabric Cover: Embrace the softness of our stretch-knit fabric, made from durable spun poly fibers for both breathability and longevity, enhancing your ultimate sleep experience.
Perfect Fit Memory Foam: This advanced foam is engineered to contour perfectly to your unique body shape, ensuring personalized comfort that adapts to your favorite sleep position.
Personalized Comfort Layer: Tailor your sleep experience with both soft and firm options available, allowing you to select the ideal comfort level for your unique preferences.
Essential Support Foam: Crafted for resilience and durability, this support foam ensures consistent comfort, springing back to shape for reliable nightly support.

Benefits

Exceptional Adaptability: Our innovative memory foam molds elegantly to your body’s shape, relieving pressure points for a genuinely restorative night’s sleep.
Hassle-Free Delivery: The mattress arrives compressed and rolled, simplifying transport and setup in any bedroom space, enhancing your convenience.
Worry-Free Assurance: Each purchase is backed by a comprehensive 10-Year Warranty along with a price match guarantee, ensuring you get the utmost value on your investment.
Certified Comfort: Rest assured knowing that our mattress utilizes CertiPUR-US certified foams, promoting an eco-friendly sleep environment free from harmful chemicals.

Ideal For

This mattress perfectly caters to those searching for the perfect equilibrium of comfort and supportive structure. With its medium firmness, it effortlessly accommodates various sleeping positions, making it suitable for side and back sleepers alike. Whether upgrading the master suite or outfitting a guest room, it enriches any sleeping environment.

Details

Dimensions: 76″ x 80″ (inches) – 193cm x 203cm (centimeters)
Profile Height: 8 Inches
Firmness: Medium
Warranty: 10-Year Warranty
Guarantees: Free next day delivery, 100 night sleep trial, full manufacturer’s warranty, price match guarantee
Style: Memory Foam, Foam Core/No Coils, Mattress in a Box

Elevate your sleep quality with the Sealy Cocoon King mattress, where luxurious plushness meets steadfast support. This thoughtfully designed mattress adapts to various sleeping needs and offers a soothing nightly escape. Experience restful nights and energized mornings, wrapped in cloud-like softness and trusted craftsmanship, and treat yourself to the rejuvenation you deserve!

Specifications

More Information
Mattress Size	King
Mattress Type	Memory Foam , Foam Core/No Coils
Features	Low Motion Transfer , Pressure Point Relief, Compatible with Adjustable Bed Base, Mattress In A Box
Trending & Offers	Limited Stock
Firmness	Medium
Core Type	Flexible Essential Support Foam
Core Density	1.8 lb/ft³
Core Material	Polyurethane (polyfoam)
Brands	Sealy
Price Range	Premium
Model	Cocoon Medium - King
Collection	Sealy® Cocoon™
Condition	Brand new, manufacturer sealed.
Warranty	10 Year Warranty
Sleep Position	Side Sleepers, Back Sleepers, Stomach Sleepers
Cover Material	Premium Stretch-Knit Fabric Cover
Colour	White
Quilt	Premium Stretch-Knit Fabric
Comfort Layers	1″ Perfect Fit Memory Foam
Support Layers	2″ Reinforced Essential Support Foam Medium
Mattress Core	5″ Flexible Essential Support Foam
Mattress Height in Inches	8 .00 Inches
Additional Features	Compressed and Rolled for Easy Shipping & Handling
Certifications	CertiPUR-US® certified foams.
Compatible With Adjustable Beds	Yes
Vented	Yes
Removable Cover	Yes
Handles	No
Care Instruction	Removable cover, dry clean to prevent shrinking.
Country of Origin	Canada
Manufacturer Contact Information	http://www.sealycanada.com/
King Size Dimensions	76" x 80" (inches) - 193cm x 203.2cm (centimeters)
Custom Sizes Available	No
Product Length (inches)	80 in
Product Width (inches)	76 in
Product Height (inches)	8 in
Product Weight (lb)	96.700000
Product Length (cm)	203.2 cm
Product Width (cm)	193 cm
Product Height (cm)	20.3 cm
Product Weight (kg)	43.8 kg
Product Barcode	748369517387
Product Code	526351
Product Model Code	SEALY-COCOONMEDIUM
Product SKU	SEALY-COCOONMEDIUM-KING
Product Category	Mattress
Product Sub Category Tier	Premium
Product Type	Mattress - Foam Core
Product Sub Type	Memory Foam

More Info.

Strong. Durable. Supportive. Decades of R&D have led to patented technology that lies at the heart of Sealy Posturpedic. Sealy’s Posturetech Coils adjust instantly to you providing the right amount of support and comfort for anyone at a great price.

Sealy Mattresses are designed to last longer and give you more support.

Visit our Mississauga mattress outlet or Toronto mattress outlets to view Sealy 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.

Sealy provides high quality sleep products – priced affordably – that are perceived as true values by the consumer with all the healthful benefits of a good night’s sleep.

For more information please visit www.sealycanada.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.

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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.

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

Product Questions (34)

Customer Questions

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 are the box dimensions and weight for this mattress?

The box dimensions and weight for this mattress in a box are listed in the delivery details section. Review them to ensure you can move the box safely into your room, and consider having an extra person help for larger sizes.

What types of Sealy mattresses are available?

Sealy offers several mattress types, including traditional innerspring, all-foam, and hybrid mattresses that combine coils and foam. Within those types, you'll usually find different comfort levels (plush, medium, firm) and upgraded collections with...

What firmness options do Sealy mattresses come in?

Sealy mattresses are typically available in multiple firmness options, including plush/soft, medium, and firm, and occasionally extra-firm or ultra-plush depending on the collection. This makes it easier to match a Sealy mattress to your sleep position...

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 ...

How do I choose between different Sealy collections?

When comparing Sealy collections, look at the type of support system (coils vs foam vs hybrid), the level of targeted support or zoning, the thickness and type of comfort layers, and any added cooling or specialty features. Higher-tier Sealy collections...

Is this Sealy mattress considered entry-level, mid-range, or premium?

This Sealy mattress falls into a specific tier within the Sealy lineup based on its materials, construction, and feature set. Check the product description and pricing relative to other Sealy models to see whether it is positioned as an entry-level, ...

Are Sealy mattresses a good value for the price?

Sealy offers mattresses at a range of price points, from budget-friendly options to more feature-rich collections. Many customers find Sealy mattresses to be a good value because they balance brand reputation, comfort, and support with accessible pricing...

What is special about Sealys support systems?

Many Sealy mattresses use targeted support technologies that reinforce the center third of the mattress or key zones to support the heaviest parts of your body. This can help maintain better spinal alignment and reduce sagging in areas like the hips...

What warranty and trial period come with this mattress?

Yes, we offer a 100 night sleep trial with any mattress purchase.

Is there a weight limit for this king mattress?

Most king mattresses list a recommended weight range or are designed to support typical single sleepers or couples. Check the product specifications or warranty details for any stated weight limits to ensure the mattress is a good match for the intended...

Can this mattress serve as my primary bed for many years?

Yes, this adjustable-bed-friendly mattress is designed for long-term nightly use when paired with a compatible adjustable base and maintained properly. Review the durability specs, warranty coverage, and care recommendations to understand its expected...

Are Sealy mattresses good for all sleep positions?

Sealy designs mattresses for a variety of sleep positions by offering different firmness options and support systems. Side sleepers often prefer Sealy models with more cushioning, while back and stomach sleepers may prefer medium or firmer Sealy mattresses...

How should I care for and clean this mattress?

Use a mattress protector to guard against spills and stains, vacuum the surface occasionally to remove dust, and follow the manufacturer's spot-cleaning instructions for any accidents. Avoid harsh chemicals or soaking the mattress, and ensure it dries...

Will this Sealy mattress hold its shape over time?

This Sealy mattress is constructed with support and comfort materials selected to help maintain its shape and performance under normal use. Review the product details for information about the support system, foam densities, and care recommendations...

How does this mattress compare to your non-boxed models?

This mattress in a box uses the same quality of core and comfort materials as our non-boxed models, but is packaged for easier delivery. Compare its construction, firmness, and warranty with our traditionally delivered mattresses to see which option...

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...

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...

Are Sealy mattresses safe and low in emissions?

Sealy mattresses are generally designed to meet applicable safety and emissions standards for the regions where they are sold. Many models use foams that are tested for content and emissions, and Sealy publishes material and safety information for their...

Is this mattress available in sizes suitable for both single and coupled back sleepers?

This mattress is available in a range of sizes, from Twin or Twin XL for single sleepers up to Queen and King for couples. Choose the size that best fits your sleeping arrangements and bedroom layout.

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...

Does this memory foam mattress have cooling features?

This memory foam mattress incorporates materials and design elements such as gel-infused or open-cell memory foam and breathable cover fabrics intended to help manage heat. Check the product description for specific cooling technologies included in ...

Where does this mattress sit on your firmness scale?

This mattress is classified as medium-firm within our lineup, meaning it offers more support than our plush models but slightly more cushioning than our firm models. Check the firmness scale or comfort description on the product page to see exactly ...

Is this mattress a good choice if my partner and I have different builds?

This medium-firm mattress is designed to offer a balanced feel that can work for a range of body types. If there is a large difference in weight or preferences, review the support specs (coil system, foam density, or zones) and customer reviews to see...

Is this king mattress comfortable for everyday use?

This king mattress is designed for regular nightly use with a balance of comfort and support suitable for its intended sleeper group (such as couples, families who co-sleep, or single adults who want extra space). Check the firmness level, materials...

Does this king mattress come rolled or boxed?

Many modern king mattresses are shipped compressed and rolled in a box for easier delivery and setup. Check the product details for packaging information and follow the unboxing instructions to allow the mattress to expand to its full size.

Is this king mattress compatible with an adjustable base?

Many foam and hybrid king mattresses are compatible with adjustable bases and are designed to bend and flex as the base moves. Check the product description for specific notes on adjustable base compatibility and follow the manufacturer's guidelines...

Is this an authentic Sealy mattress?

This mattress is part of the official Sealy lineup and is sourced directly through authorized distribution channels. You can verify authenticity by checking the law tag, model name, and branding on the product and packaging, which should clearly show...

Are Sealy mattresses suitable for people with allergies?

Some Sealy mattresses feature covers and comfort materials that are more resistant to common allergens like dust mites, especially when used with a quality mattress protector. If you have specific allergies or sensitivities, review the materials list...

Is this Sealy mattress suitable for side, back, or stomach sleepers?

This Sealy mattress is designed with a specific firmness level and support system that will suit some sleep positions better than others. Check the comfort description and any guidance in the product details; many models list which sleep positions they...

Is the cost of shipping or inspection covered under this warranty?

Some warranties cover shipping or inspection costs, while others require the customer to pay a fee for pickup, return, or in-home inspection. Check the warranty details for this mattress to see who is responsible for any associated costs during a warranty...

Are Sealy mattresses good for couples?

Sealy offers many models that work well for couples, including hybrids and foams with good motion isolation and strong edge support. Couples should look for a Sealy mattress with a firmness level they both find comfortable and consider features like...

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