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

Q: Is there a weight limit for this Twin XL mattress?

Most Twin XL mattresses list a recommended weight range or are designed to support typical teen and adult weights. Check the product specifications or warranty for any stated weight limits to ensure the mattress is suitable for the intended sleeper.

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

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– Premium Fabric Cover

– Perfect Fit Memory Foam

– Personalized Comfort Layer

– Essential Support Foam

– 10 Year Warranty

Our Price:

$899.00

Retail Price $1,099.00

In stock

Only 1 left

Mattress Size : Twin XL

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Options

Standard 8" + $110.00

Low Profile 4" + $110.00

Platform 2" + $110.00

Options

High Profile 9" + $179.00

Low Profile 5" + $179.00

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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 - Twin XL

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

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

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

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

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

Memory Foam, Foam Core/No Coils, Twin XL 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 - Twin XL
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 - Twin XL: Your Gateway to Cloud-Like Comfort Every Night

Transform your sleep environment with the Sealy Cocoon Twin XL Memory Foam Mattress, crafted for those who desire an unparalleled balance of softness and support. Featuring innovative materials and cutting-edge design, this mattress adapts to your unique shape, enveloping you in luxurious comfort while promoting a night of restorative sleep. Arriving conveniently boxed, it's never been easier to elevate your sleep experience!

Key Features

Breathable Fabric Cover: Crafted from premium stretch-knit fabric, this cover enhances your sleep experience with its soft, breathable touch, ensuring optimum comfort from the start.
Adaptive Memory Foam: Engineered to contour to your body's shape and sleeping position, Sealy’s Perfect Fit Memory Foam offers persistent comfort that lasts throughout the night.
Customizable Comfort Layers: Select your ideal feel from a soft layer that hugs your body or a firmer alternative that provides steadfast support, catering to your unique preferences.
Durable Support Core: Constructed from resilient support foam, this mattress maintains its shape, providing you with reliable support so you can rest easy every night.
Comprehensive Warranty: Sleep soundly with a 10-year manufacturer’s warranty, ensuring your investment in sleep comfort is safeguarded.

Benefits

Unparalleled Comfort: Experience luxurious adaptive support with memory foam that responds precisely to your body's contours, allowing for a truly exceptional sleeping experience.
Cooling Airflow: The innovative materials used enhance airflow, helping to maintain a cool sleeping surface throughout the night for maximum comfort.
Simplified Setup: Arriving tightly compressed and rolled, this mattress is easy to handle and set up, making it a breeze to enhance your bedroom.

Ideal For

This mattress is an excellent choice for anyone seeking a blend of luxurious comfort and dependable support. Whether it's for college dorms, studio apartments, or upgrading your master bedroom, this versatile mattress meets the needs of various lifestyles.

Details

Dimensions: 38″ x 80″ (inches) – 96.5cm x 203cm (centimeters)
Profile Height: 8 Inches
Firmness Level: Medium for balanced support
Core Structure: 5″ Flexible Essential Support Foam
Comfort Layers: 1″ Perfect Fit Memory Foam
Support Layers: 2″ Reinforced Essential Support Foam Medium
Certifications: Made with CertiPUR-US certified foams for peace of mind
Guarantees: Enjoy free next-day delivery, a 100 night sleep trial, full manufacturer's warranty, and a price-match promise

Indulge in the comfort of the Sealy Cocoon Twin XL Memory Foam Mattress, meticulously designed to provide you with luxurious rest every night. With its exceptional quality craftsmanship, you'll awaken revitalized and ready to face the day. Elevate your sleep experience with Sealy—because you deserve nothing less!

Specifications

More Information
Mattress Size	Twin XL
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 - Twin XL
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/
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	748369517394
Product Code	526351
Product Model Code	SEALY-COCOONMEDIUM
Product SKU	SEALY-COCOONMEDIUM-TWINXL
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 (28)

Customer Questions

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.

Are Sealy mattresses considered good quality?

Sealy mattresses are widely regarded as offering solid performance and value, especially in the mid-range segment. As with any brand, quality and features vary by collection and price level, so it's helpful to compare specific models, materials, and...

What accessories work well with Sealy mattresses?

Commonly paired accessories for Sealy mattresses include supportive foundations or adjustable bases, quality mattress protectors, appropriately sized sheets, and pillows matched to your sleep position. Choosing the right accessories helps you get the...

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 sizes do Sealy mattresses come in?

Sealy mattresses are commonly available in standard sizes such as Twin, Twin XL, Full/Double, Queen, King, and sometimes California King. Availability of specific sizes can vary by model and collection, so always confirm which sizes are offered for ...

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...

Is this Sealy mattress better suited for a primary bedroom or a secondary/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.

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...

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...

Is this Twin XL mattress compatible with an adjustable base?

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

Do I need a mattress protector for my Sealy mattress?

A mattress protector is highly recommended for any Sealy mattress. It helps keep the surface clean, protects against spills and allergens, and can extend the life of the mattress by preventing moisture and dirt from breaking down the comfort layers ...

How should I care for my Sealy mattress?

Use a mattress protector to guard against spills and stains, keep the mattress on a proper foundation, and follow Sealy's recommendations for rotating the mattress if applicable. Avoid jumping on the bed, do not bend or fold the mattress excessively...

Do I need to rotate or flip my Sealy mattress?

Most modern Sealy mattresses are one-sided and should not be flipped, but many can benefit from periodic rotation (head-to-foot) to promote more even wear. Always check the care instructions for your specific Sealy model to see whether rotation is recommended...

Is this mattress appropriate for everyday use or just occasional sleep?

This medium-firm mattress is designed for regular nightly use, with comfort and support features suitable for its intended sleeper group. If you plan to use it daily, review the materials, firmness, and customer reviews to confirm that its feel and ...

Can I use a Sealy mattress on a platform bed or slatted frame?

Many Sealy mattresses can be used on platform beds or slatted frames as long as the support surface is strong, stable, and properly spaced. Check the Sealy care and support guidelines for your model to make sure your foundation meets the requirements...

Is this mattress compatible with my existing frame or foundation?

This mattress is compatible with many standard frames and foundations, provided they meet the manufacturer's support requirements. Check the support and compatibility section on the product page to confirm whether your existing setup is suitable or ...

Who is Sealy and what are Sealy mattresses known for?

Sealy is a long-established mattress brand known for focusing on support, durability, and comfort across a wide range of price points. Their collections typically include traditional innerspring, hybrid, and advanced support designs aimed at providing...

Is there a weight limit for this Twin XL mattress?

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 ...

Is this mattress an all-foam model or a hybrid with springs?

This mattress is an all-foam design, built entirely with foam layers for both support and comfort, without any metal coil support system. You can confirm this in the construction and materials section, which will list only foam and related comfort layers...

How long does it take for a Twin XL mattress to fully expand after unboxing?

Most boxed Twin XL mattresses expand to near full size within a few hours, but they may continue to relax and reach their final feel over 24-72 hours. Room temperature, ventilation, and mattress materials can affect expansion time; check the manufacturer...

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...

Do Sealy mattresses provide good back support?

Sealy designs many of their mattresses to emphasize proper support and spinal alignment, often with reinforced center zones and carefully tuned coil or foam systems. The level of support depends on the specific model and firmness, so it's important ...

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 Twin XL mattress supportive enough for a heavier sleeper?

Heavier sleepers typically need stronger support so they don't sink too deeply into the mattress. Check the product description for higher-density foams, reinforced coils, or weight capacity guidelines, and consider a medium-firm to firm feel for proper...

Which Sealy mattress firmness is best for side sleepers?

Side sleepers often prefer Sealy mattresses in plush or medium comfort levels that offer more cushioning at the shoulders and hips. Models with thicker comfort layers or pressure-relieving foams can help reduce pressure points and improve comfort for...

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...

Do Sealy mattresses use memory foam or gel foam?

Yes, many Sealy mattresses incorporate memory foam, gel-infused foams, or other specialty comfort layers in their designs. These materials can help with pressure relief, contouring, and temperature regulation, depending on the specific model and collection...

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