Sealy living

Discover how more than 140 years of expertise, quality, and passion for sleep helped shape America’s #1 Mattress Brand.*

Expertly Built – Layer by Layer

— by Sealy on Jun 7, 2022

Being America’s #1 Mattress Brand is a tough job – but we don’t take your trust or sleep needs lightly! We’ve spent more than 140 years perfecting our legendary Posturepedic® support and overall comfort, because we understand the importance of a good night’s sleep to your well-being. But what sets a Sealy® mattress apart? We invite you to explore our key materials, technologies, and features in the guide below. Discover how more than a century of expertise and quality can truly transform your sleep.

Sealy Foam Posturepedic layers broken down in different shades of white blue and green



SealySupport™ Gel Foam

A traditional gel foam that contributes to the foundational support in many Sealy® mattresses.

SealyCool™ Gel Foam

Where comfort and cooling meet! This foam promotes a cooling environment right below the covers with cushioning comfort in a variety of feels.

SealyCool™ Air Gel Foam

An upgraded version of the SealyCool™ Gel Foam, this material delivers added cushioning and flexibility for a more comfortable night’s sleep – plus, its unique design allows for additional airflow.

ComfortSense ™ Premium Memory Foam

Pressure relief? We’ve got you covered. This foam aids in dispersing your weight across the entirety of the mattress, creating maximum conforming comfort.

ComfortSense™ Premium Memory Foam with SealyChill™

All of the benefits of our ComfortSense ™ Premium Memory Foam, with an added cooling feature. This version of the material delivers conforming pressure relief with a cool-to-touch feel.


ComfortLoft™ Cover with MoistureProtect™ and Surface-Guard Technology™

This quilted, easy-care knit cover wicks away moisture to help you stay comfortable, while killing bacteria on the mattress surface to help keep your bed protected.

ComfortLoft™ Cover with SealyChill™ and Surface-Guard Technology™

This version of our cover features cool-to-touch fibers for added cooling comfort, along with Surface-Guard Technology™ to help protect your mattress surface against bacteria.

Stretch-Knit Cover with MoistureProtect™ and Surface-Guard Technology™

A durable, soft knit fabric cover with moisture-wicking to help you stay cool and an antibacterial technology to help keep your mattress protected.

Stretch-Knit Cover with SealyChill™ and Surface-Guard Technology™

A protective, comfortable, cooling cover? Count us in. This cool-to-touch version of our stretch-knit cover features cooling fibers for added comfort, along with Surface-Guard Technology™ to kill bacteria on the mattress.



A cover treatment designed to wick moisture away from your body, helping you stay comfortable throughout the night.


The science behind our cool-to-touch cover technology, this treatment provides cool-to-touch fibers for refreshing comfort from the moment you lie down.

Surface-Guard Technology™

This added feature kills bacteria on the surface of the mattress, protecting it from common allergens.



Response Coil

Using an open coil design, the Response Coil layer is comprised of precisely engineered springs that respond to your movement to support you throughout the night. Tossing and turning? A thing of the past.

Response Pro Encased Coil

These encased coils build on the durability and adaptive support of the Response Coil, with increased support, more flexibility for personalized comfort, and reduced motion transfer to help you feel less movement from your partner throughout the night.

Response Pro HD Encased Coil

Providing more support and reducing motion transfer, this layer of our most durable coils is densely packed and individually wrapped.

Response Pro Zoned HD Coil

Found in our Sealy® Hybrid models, this tightly packed coil system reinforces the center third of the mattress, delivering trusted, targeted support where you need it most – your back and core.

Sealy Spring Posturepedic layers broken down in different shades of blue and white



A reinforced foam border around the mattress edge for improved durability.

StableEdge Pro™

A row of sturdy, encased coils helps reinforce the edges of the mattress, giving you more space to sleep and aiding in preventing sagging over time. This system also increases the flexibility of the mattress when paired with an adjustable base.

DuraFlex Coil Edge™

This edge features even more encased coils than our StableEdge Pro™ for improved durability and better flexibility when paired with an adjustable base.

DuraFlex Pro Coil Edge™

This more breathable version of the DuraFlex Coil Edge™ features densely packed coils for added stability and a ventilated design to increase airflow, helping you stay cool and comfortable all night long.

Now that you know more about our materials and technologies, we hope you’re one step closer to finding your perfect mattress!

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