🇺🇸 United States · Hybrid (coils and latex) vs Memory Foam

Birch by HelixvsCocoon by Sealy Chill

Which one is best for you? Birch by Helix vs Cocoon by Sealy Chill - 2026 comparison by Vs Mattress

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Birch by Helix20% Off + 2 Free GiftsCocoon by Sealy ChillSave 35% + Free Pillows & Sheets

Birch by Helix

by Birch Living · Hybrid (coils and latex)

20% Off + 2 Free Gifts

25 years · 100-night trial

Cocoon by Sealy Chill

by Sealy · Memory Foam

Save 35% + Free Pillows & Sheets

10 years · 100-night trial

Pricing by size

Birch by Helix

Twin$1,498.80

Twin XL$1,623.80

Full (Double)$1,873.80

Queen$2,123.80

King$2,498.80

California King$2,498.80

Cocoon by Sealy Chill

Twin$619

Twin XL$709

Full (Double)$819

Queen$1,079

King$1,389

California King$1,389

Essential information

	Birch by Helix	Cocoon by Sealy Chill
Type	Hybrid (coils and latex)	Memory Foam
Launched	–	–
Brand	Birch Living	Sealy
Made in	United States	United States
Unique points	The Birch mattress was designed by Helix, the team behind the leading mattress brand in customized sleep. Birch takes those learnings in comfort and uses all natural and organic materials. The Birch mattress is a 6 layer construction: Cover - Organic Cotton Fire Retardant Cover - Wool Comfort Layer - Birch Wool Pressure Relief Layer - Natural Talalay Latex Support Layer - Individually Wrapped Coils Base Layer - Wool Batting.	3 layer construction: Perfect Fit Memory Foam Personalized Comfort Layer Support Foam.
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Certifications & trial

	Birch by Helix	Cocoon by Sealy Chill
OEKO-TEX®	No	No
CertiPUR-US®	No	Yes
Certifications	Global Organic Textile Standard (GOTS), GREENGUARD Gold, Eco-INSTITUT, Forest Stewardship Council	CertiPur-US®
Other certification info	<p id="">Global Organic Textile Standard (GOTS), GREENGUARD Gold, eco-INSTITUT, Forest Stewardship Council</p>	–
Sleep trial	100 nights	100 nights
Warranty	25 years	10 years
Free shipping	–	–
Free returns	Yes	Yes
Pay later	Yes	Yes
Delivery info	Your Birch Mattress is gently compressed, rolled, and put in a box for easy shipping! We ship via FedEx Ground direct from the manufacturer to your door. Delivered for free typically in 4 to 8 business days.	When you order your Cocoon by Sealy mattress, well ship it to you (by UPS Ground) for free. Typically, your Cocoon by Sealy will arrive in 5 to 7 days.

Firmness & feel

	Birch by Helix	Cocoon by Sealy Chill
One firmness fits all	No	Yes
Select your firmness	No	No
Adjustable firmness	No	No
Half and half firmness	No	No
Flippable / reversible	No	No
Firmness info	–	The Cocoon Chill is a medium firmness, about a 6 on the firmness scale. We've found that most sleepers prefer a mattress that's fully supportive but not too firm, so we created a mattress with our Perfect Fit memory foam that adapts to your unique body size, shape and sleep position.

Construction & materials

	Birch by Helix	Cocoon by Sealy Chill
Layers	Organic Cotton, Fire Retardant Cover, Comfort Layer, Pressure Relief Layer, Support Layer, Base Layer	Perfect Fit Memory Foam, Personalized Comfort Layer, Support Foam.
Cover	The Birch Mattress has a cover that is made using natural, organic cotton. It is designed to be highly breathable with a subtle stretch and soft touch.	Our premium stretch-knit cover is infused with a proprietary "Phase Change Material" that absorbs and dissipates heat for a refreshing, cool to the touch surface.
Machine-washable cover	No	No
Ergonomic handles	No	No
Comfort	Our materials come from nature - whether it be wool sustainably sheared from New Zealand sheep or latex tapped from trees. These premium materials are comfortable on your body and conscience. 100% all natural & organic Birch Wool provides unparalleled comfort and temperature regulation. Birch Wool is designed to retain shape with a natural elasticity of each fiber. Talalay latex is up to 7 times more breathable than other types of latex. Natural latex is also hypoallergenic and anti-microbial.	A top layer of memory foam helps reduce the amount of movement from your sleep partner. The Soft model reduces a bit more motion transfer than the Firm model. Phase Change Material (PCM) absorbs your body heat leaving you with a cool to the touch mattress experience.
Support	We spent countless hours finding the right density of latex, quantity of wool, and type of steel springs to provide unprecedented comfort and pressure relief. Each mattress features a reinforced perimeter for best in class edge support. The coils that run along the outside of your mattress are actually firmer, so no more feeling of falling off the bed when lying down or sitting on the edge. Natural Talalay latex provides response to cushion your pressure points while giving support. Our latex is carefully managed to ensure consistency. Hundreds of individual steel coils help to cradle your body and provide support, while also limiting motion transfer. Additionally, the reinforced perimeter coils provide best in class edge support.	Our high-quality memory foam adapts to your body size, shape and sleep position to ensure a great sleep no matter which feel is right for you. Support Foam base layer engineered to be highly durable and resilient. We've tested it, and we know it bounces back every time.
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Size & weight

	Birch by Helix	Cocoon by Sealy Chill
Available sizes	Twin, Twin XL, Full (Double), Queen, King, California King	Twin, Twin XL, Full (Double), Queen, King, California King
Dimensions	Twin: 11 "	Twin: 10 "
Twin weight (kg)	N/A	40
Twin XL weight (kg)	N/A	42
Full (Double) weight (kg)	N/A	56
Queen weight (kg)	N/A	64
King weight (kg)	N/A	83
California King weight (kg)	N/A	83

FAQs

Birch by Helix

Is birch mattress good for couples?

Yes, Birch mattresses are ideal for couples as they have excellent cooling properties. The natural wool and latex layers allow for breathability and prevent the mattress from retaining body heat, making it a good choice for couples who tend to overheat.

Does the birch mattress smell?

The Birch Natural mattress does have a strong initial smell which may deter some customers. However, it offers pressure relief, motion isolation, and heat diffusion.

What materials are used in a Birch mattress?

Birch mattresses are made with natural materials including wool, latex, cotton, and steel. More details can be found on the Birch materials page.

Cocoon by Sealy Chill

Can you flip the Cocoon Chill mattress?

No, the Cocoon Chill mattress is not designed to be flipped. It is constructed with support layers at the bottom and comfort layers at the top. Flipping the mattress would disrupt the intended firmness and feel.

Is the Cocoon Chill mattress good for side sleepers?

The Cocoon Chill mattress may feel too firm for most side sleepers, but it is an excellent choice for back and stomach sleepers.

Do Cocoon by Sealy mattresses contain latex?

No, Cocoon™ by Sealy mattresses do not contain latex.

Wrap up

Thank you for checking out this Birch by Helix vs Cocoon by Sealy Chill mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.

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