Best Mattress for Kids

While everyone can benefit from a good night’s rest, children rely on quality sleep to fuel their rapid growth and learning. Children also need more sleep than adults. Younger children usually require the most sleep, with a recommended 10 to 13 hours of sleep per day for children between 3 and 5 years old. Older children tend to need less sleep, with a recommended 8 to 10 hours for children between 14 and 17 years old.

Since sleep plays such a big role in your child’s development, it’s important to optimize your child’s sleep conditions – including selecting a mattress that can help your child sleep comfortably throughout the night. To pick the best mattresses for children, our team evaluated factors such as firmness, pressure relief, temperature neutrality, and price-point. We also considered the suitability of each mattress for various sleep positions since your child’s preferred position may influence your mattress choice.

How to Buy a Kid’s Mattress Video

Watch the video below for some tips on what to look for when shopping for kid’s mattresses.

Below you will find descriptions for each mattress on our list. In addition to our picks list, we provide an in-depth buyer’s guide that covers key factors to consider when selecting a mattress for your child, such as mattress size and firmness. We also discuss the benefits of certain mattress types over other mattress types when shopping for kids. Our guide focuses exclusively on mattresses for children, so keep in mind that infants have different safety needs.

Our Recommendations

The Helix Kids mattress has a flippable design that grows with your child, accommodating ages 3 to 12. Each side has a distinct firmness that supports the different stages of a growing body.

How It Performed

The thoughtful dual-sided design ensures the mattress will provide enough support at different stages of your child’s life. One side is aimed at children ages 3 to 7, with a medium firm (6) feel to support growing bodies. As a child reaches 8 to 12 years old, they can transition to the medium soft (4) side, which has plusher comfort layers. Our test lab found this side offered extra contouring and pressure relief. The mattress earned high marks in our temperature neutrality tests, partly thanks to the enhanced airflow through the coil support core. So it should feel cool and comfortable even if your child tends to sleep hot.

What It’s Made of

Both sides of the mattress feature a Tencel cover with a water-repellent finish. The finish ensures the mattress’ longevity and protects against damage from accidents or messes. Beneath is a flammability protection layer to keep your kid safe. The support core features 5-inch pocketed coils that provide targeted support to your child’s hips and shoulders. A row of coils lines the perimeter of the mattress, which we found quite supportive when we sat on the edge.

On the side designed for 3- to 7-year-olds, the comfort system consists of dense polyfoam. Our testers found this side’s comfort layer much firmer, which helps maintain proper spinal support for younger children. The other side, which is meant for 8 to 12 years old, features a comfort system made from gel-infused memory foam that performed well in our pressure relief tests. The gel in this layer is engineered to absorb and dissipate excess body heat.

Helix ships free to all 50 states and offers families 100 nights to try out the mattress. A lengthy sleep trial is helpful if you’re unsure of your child’s sleep preferences. The Helix Kids mattress also comes with a 10-year warranty.

The Nectar uses three layers of memory foam, giving it a significant hug that your child may find soothing and comfortable. The Nectar is also more affordable than many similarly constructed models, so it is friendlier to a family’s budget.

How It Performed

Rating a 6 on our 10-point firmness scale, the Nectar is an all-foam model with a medium firm feel. This is in the range many children find comfortable, so the Nectar will serve your child well throughout growth spurts and changes in sleep preference. The memory foam layer evenly distributes your child’s weight, which we found helps relieve pressure points. The deep contouring also excelled in our motion isolation tests, so your child won’t feel much movement if you lie in bed with them.

What It’s Made of

The cover is made from a blend of polyester, nylon, and polyethylene that our testers found breathable. Next is a comfort layer of gel-infused memory foam that contours to your child’s body. A transitional polyfoam layer beneath gives extra support while acting as a barrier between the comfort and support layers. The support core uses 6 inches of 2.2 PCF polyfoam to stabilize the rest of the mattress.

A lifetime limited warranty and 365-night sleep trial are included with purchasing a Nectar Mattress. This gives families ample time to try out the mattress, with the ability to return it for a full refund if it’s not a good fit for your child.

Younger kids often benefit from a firmer surface to help promote healthy sleep posture. The Bear Cub has a firm (7) feel and a robust coil system that keeps the body on an even plane.

How It Performed

The Cub’s firm feel and foam hybrid construction best suited our side sleepers. The foam layers offered cushioning for sore hips and shoulders, while the coils prevented excessive sinkage. Back- and stomach-sleeping testers who weigh at least 130 pounds also found the mattress comfortable. Temperature control was one of the mattress’ major strengths during our tests. This is largely due to the breathable cover and coil support core, which allows air to circulate through the bed’s interior. The mattress has a responsive feel that was easy for us to move across, and the coils created a sturdy perimeter. Thanks to the supportive edges and 8.5-inch profile, kids should find it easy to get in and out of bed.

What It’s Made of

The comfort system begins with an adaptive memory foam layer that contours to your body to relieve pressure buildup. The foam is infused with cooling gel meant to absorb and dissipate excess heat. A polyfoam transitional layer ensures your weight is evenly distributed across the mattress’ surface and acts as a buffer between your body and the coils.

Pocketed coils make up the support core, offering targeted support to the hips and shoulders to prevent uncomfortable sagging. A breathable cover made from Celliant fibers encases the mattress. Celliant is engineered to absorb your body heat, turn it into infrared energy, and confer it back to your body. This process is meant to promote muscle recovery.

Bear offers free shipping to customers in the contiguous U.S. and a 120-night sleep trial to test the mattress. You can return it anytime after a 30-night break-in period for a full refund. A lifetime warranty backs the Bear Cub if you decide to keep it after the trial period.

The Nolah Nurture 10 is a dual-sided latex hybrid made from organic materials. If you’re looking for a quality, organically sourced mattress with two firmnesses in one, you may want to consider the Nolah.

How It Performed

The Nolah has a flippable design — we rate one side as soft (3) and the other as firm (7). Children under 130 pounds may prefer the softer side, while kids weighing at least 130 pounds may find the firmer side more comfortable. Across weight categories, side and back sleepers on our test team benefited from the Nolah’s pressure-relieving latex comfort layers and zoned coil design. Latex’s natural responsiveness also prevented back sleepers’ hips from sagging and misaligning the spine. We noticed that the breathable materials and enhanced airflow through the coil support core kept the surface cool.

What It’s Made of

The mattress is encased in a cover made from GOTS-certified organic cotton, a naturally breathable material that kept the surface cool to the touch during our tests. Next is a breathable wool layer that acts as a natural fire retardant. The comfort system features 2 inches of Talalay latex, which provided slight contouring to relieve pressure buildup during our pressure tests.

Talalay’s natural responsiveness meant that the surface did not conform as closely to the body during our tests, thus trapping less heat. The support core is made from 6-inch pocketed coils, strategically zoned to support the hips and shoulders. A layer of firmer Talalay latex rests under the coils for extra stability and durability.

Nolah offers free shipping to the contiguous U.S. and a 120-night sleep trial. Sleep trials of any length are an asset to parents, especially if the child is particular about the feel of their bed. Nurture 10 purchases come with a generous lifetime warranty.

The Dreamfoam Essential – formerly known as the Brooklyn Bedding Chill – is one of the most versatile kid-friendly mattresses we’ve come across today. A gel infusion in the memory foam is intended to draw heat away from your child’s body, allowing the mattress to sleep relatively cool compared to other foam models.

How It Performed

You can choose from a profile of 6, 8, 10, 12, or 14 inches, depending on which type of bed your child uses and how tall or short they prefer their mattresses to be. Each thickness has a different corresponding firmness level, with options ranging from medium soft (4) to firm (8). If your child needs a firmer, more supportive surface, they will likely feel most comfortable on the 6- or 8-inch models. We also recommend these profiles for children who sleep in bunk beds. Kids who enjoy close body contouring may enjoy the 12- or 14-inch mattresses instead, and the 10-inch option is a balanced, middle-of-the-road option.

What It’s Made of

The mattress contains two to three foam layers, depending on the profile you purchase. The comfort layer is composed of adaptive memory foam that molded to our bodies during testing. This helps evenly distribute your child’s weight and reduces pressure buildup. The base layer or layers are made of high-density foam to reinforce the sleep surface. This prevented uncomfortable sinkage when we lay on the bed. The surface has a Nano Stain Terminator finish to protect against spills and liquid damage.

Regardless of which size you choose, the mattress is very reasonably priced, and shipping is free of charge for all customers in the contiguous U.S. Each purchase is backed by a 120-night sleep trial and 10-year warranty.

Children and preteens often need a mattress that cushions and supports their bodies equally. This helps ensure proper growth and development, as well as night-to-night comfort after they have transitioned from their toddler bed. The Leesa Kids Mattress is designed specifically for children and preteens. Our testers found that the medium firm (6) feel limits sinkage, which should keep your child’s body on an even plane.

How It Performed

During our tests, the Leesa Kids Mattress performed very well with temperature control – an area where many all-foam models tend to earn subpar ratings. The open-cell memory foam coupled with a breathable cover let heat dissipate rather than build up along the surface. The balanced medium firm feel should also prevent young kids from sinking too much or feeling trapped by the mattress. A low 7-inch profile allows the mattress to rest safely in most bunk beds at least 5 inches below the side rails, per current safety guidelines.

What It’s Made of

The Kids Mattress features a three-layer design that begins with a top layer of open-cell memory foam. This material features small air capsules engineered to promote circulation and prevent bothersome heat absorption. The transitional and support layers are composed of polyfoam that we found balances support and contouring. The base layer is much denser to provide adequate reinforcement for your child’s growing body. A knit polyester cover encases the entire mattress.

The Leesa Kids Mattress is available in twin and full sizes, which are reasonably priced. Shipping is also free of charge to customers in all 50 states. Your order includes a sleep trial that allows your child to test the mattress for up to 100 nights and decide if it’s right for them. Should you decide to keep it, you’ll also receive a 10-year warranty against structural defects.

The Saatva Youth is a reversible innerspring mattress designed to accommodate children’s changing mattress needs as they grow older. Since one side is firmer, you can flip the mattress once your child grows too heavy to be supported by the softer side.

How It Performed

The mattress performed well in our temperature neutrality tests since the coil layer allows a substantial amount of airflow throughout the mattress. This ensures your child won’t sleep too hot throughout the night. The thick construction of the coils also gives this bed great edge support, preventing kids from rolling off the bed in the middle of the night. The strong edges and low profile also make it easy for kids to get in and out of bed on their own. The quality of materials ensures a durable mattress that should last into your child’s teenage years.

What It’s Made of

The softer side of the mattress features a zoned polyfoam comfort layer that provided extra support to our testers’ backs and hips while conforming closer to the head, neck, and shoulders. The comfort layer on the firm side is made of higher-density convoluted polyfoam, which felt more supportive overall. In between these two sides is a support core of thick bonnell coils. The cover is composed of breathable organic cotton.

While the Saatva Youth has a slightly above-average price-point, Saatva offers free White Glove delivery, including in-home assembly and old mattress removal, which is rare in the online mattress industry. Saatva also offers a lifetime warranty and 365-night sleep trial for parents who want their child to try the bed before committing.

If you want to buy an environmentally friendly mattress for your child, the Avocado Eco Organic Kids Mattress is a great option. The comfort layer consists of naturally springy Dunlop latex certified organic by the Global Organic Latex Standard, a leading authority for sustainably sourced latex products. The mattress also contains an organic wool fire barrier, pocketed coils made from recycled steel, and an organic cotton cover. Additionally, Avocado holds carbon negative status. This means the company offsets more than 100% of its emissions through green manufacturing and shipping practices.

How It Performed

Like other latex hybrids we’ve tested, the Eco Organic Kids Mattress has an exceptionally springy feel. This should help your child move across the surface without sinking when they get in and out of bed. The latex is ventilated, a wool fire barrier wicks away moisture, and the coils promote steady air circulation. Thanks to these components, we don’t expect bothersome heat retention to be a major issue.

The mattress has a firm (7) feel intended to promote healthy growth and development for children. Zoned coils provide extra reinforcement beneath the midsection without making the rest of the mattress feel too stiff. The coils are also thicker around the perimeter to prevent deep sinkage when your child sleeps close to the edges of their bed.

What It’s Made of

A layer of organic wool rests beneath the cover and serves as the mattress’ fire barrier. This material and the organic cotton cover have both received certification from the Global Organic Textile Standard. The latex is produced using the Dunlop process, resulting in a dense material that lightly cushions the body. Pocketed coils make up the support core.

The Eco Organic Kids Mattress measures 7 inches thick and is available in twin, twin XL, and full sizes, so it should be compatible with most bunk beds and child-friendly bed frames. We recommend measuring any bunk bed to make sure there are at least 5 inches of clearance between the guard rails and the surface of the mattress.

Avocado offers free ground shipping throughout the contiguous U.S. A complimentary copy of “My Blue Planet,” a kids book produced by Avocado, is included with each purchase. The Eco Organic Kids Mattress comes with a 100-night trial period, and parents who choose to keep it also receive a 10-year warranty.

Many mattresses made today are suitable for adults and kids alike, but the Nest Bedding Puffin is specifically designed for young children. The Puffin consists of three layers of dense, supportive foam to promote growth and development. A slim 7-inch profile makes the mattress compatible with bunk beds and standard bed frames.

How It Performed

We noticed above-average responsiveness while testing the Puffin. The all-polyfoam construction and firm (7) feel create considerable bounce that makes it easier for kids to move across the surface and get in and out of bed. Phase change material infused into the cover helps offset the heat retention that can occur with foam mattresses, so the Puffin also earned positive ratings during our temperature control tests.

What It’s Made of

The Puffin begins with a half-inch of polyfoam quilted into the cover, followed by an Energex polyfoam comfort layer that combines the cushioning of memory foam with the responsiveness of latex. A high-density polyfoam base completes the design. The polyester cover is infused with phase change material to dissipate heat on contact, maintaining a cool, comfortable surface at all times.

The Puffin has a weight capacity of 110 pounds and measures 7 inches tall. Twin, twin XL, and full sizes are available. We recommend double-checking the dimensions of your child’s bunk bed to ensure at least 5 inches between the mattress’ surface and the top of the guard rails.

The Puffin is competitively priced and shipping is free for all orders within the contiguous U.S. Your order includes a 30-night trial period. The mattress is backed by a lifetime manufacturer’s warranty against structural defects, and you can purchase additional coverage against spills and other types of physical damage for 3, 5, or 10 years.

Why You Can Trust Us

Our team of dedicated sleep experts personally tested dozens of mattresses to choose the top picks above. To create the most inclusive list, we considered mattresses that are specifically designed for children as well as models that cater to sleepers of all ages. We tested each mattress using our standard performance criteria, but also took other factors into account. These include waterproof components, compatibility with bunk beds, and price.

Methodology

How We Evaluated These Mattresses

Although children don’t participate in our testing process, we evaluate each mattress by focusing on factors that tend to affect how kids sleep. These include how firm and bouncy the mattress feels, how well it regulates temperature, and whether it provides adequate support for growing bodies. We also considered kid-friendly features, such as waterproof covers intended to protect the mattress during bedwetting episodes and lower profiles to make getting in and out of bed easier for young children.

For a more complete look at how our team discusses and evaluates mattresses for kids, take a look at our product research methodology below:

Other Mattress Guides

If you’re still not sure which type of mattress to pick out for your child, you can narrow down your search using our collection of mattress guides categorized by types of sleepers.

How to Choose a Mattress for a Child

This part of the guide will focus on factors to take into account when selecting a mattress for your child. Each child is unique, so there isn’t one best mattress to suit all children. Factors like the available space, your child’s size, and preferred sleep position may play a role in which mattress is best for them.

There are many mattress models on the market designed specifically for children, which some families might find a good match for their present situation. However, you may prefer a non-specialty mattress that can continue to accommodate your child’s needs and preferences as they grow older.

Why is Sleep Important for Kids?

Sleep gives the body a chance to rest and recover. While sleep is vital for all age groups, children are still growing and require enough rest to support this continual growth. According to current sleep recommendations for children, kids in preschool should sleep 10 to 13 hours for every 24-hour period — including daytime naps — while elementary school students should get 9 to 12 hours of sleep each night.

A good night’s sleep could promote many health, learning, and behavior benefits. Quality sleep is thought to contribute to improved learning, attention, memory, behavior, mental health, and physical health. Meanwhile, not getting enough sleep could lead to serious consequences. Parents should always consult a physician before considering sleep aids for children.

A supportive, comfortable mattress can help promote a good night’s sleep.

What Size Mattress is Right for a Child?

While there is no “right” mattress size for your child, considering your child’s growth, the mattress’ lifespan, and how you plan to use the mattress in the future can help you select the best mattress for your family. Each mattress size has potential benefits and drawbacks.

• Twin: Most kids are ready to graduate from a toddler-size mattress to a twin by the time they enter preschool. Twin mattresses are usually big enough for most children. Twin size dimensions are the smallest among standard mattress sizes, so these models tend to be the most affordable and may fit exceptionally well in a shared or small space. However, as your child grows, they may prefer a larger bed.
• Twin XL: Twin XL mattresses are the same width as twin mattresses. They are about 5 inches longer, so they can accommodate taller children and teens. This mattress size tends to be slightly more expensive than twin sizes, but these models still take up a relatively small footprint.
• Full: A full mattress provides more space for a child to move around during the night, so it may be beneficial for children who change positions frequently. The larger surface can also allow a parent to lie in bed as well, so full size dimensions may come in handy for reading bedtime stories or comforting the child.
• Queen: Most children do not usually need as much space as a queen mattress provides. These models are more expensive than smaller sizes, so for many families, this added cost may be unnecessary. Queen size dimensions are also better suited to two sleepers and may take up too much space in your child’s bedroom. However, if you plan on using the mattress for a guest bedroom or other purpose down the road, a queen mattress may be appropriate.
• King/California King: King and California king mattresses are the largest and most expensive sizes of mattresses. While they allow ample space for a child to move around, king and California king size dimensions are fairly large and take up a lot of space. This makes them less than ideal for families seeking a child’s mattress.
• Bunk Beds: If your child sleeps in a bunk bed, it’s important to purchase a compatible bunk bed mattress. Most bunk beds accommodate twin, twin XL, or full size mattresses. Some bunk beds may have thickness and weight requirements, so you’ll want to ensure your mattress height and weight are compatible with your bunk bed.

What to Look for in a Mattress

Many mattress companies use the term “universal comfort” or similar phrasing to describe their mattresses. However, comfort is subjective, so a mattress that is comfortable for some people may not be comfortable for others. “Universal comfort” usually indicates a relatively middle-of-the-road firmness that is likely to appeal to a wide range of sleepers.

When selecting a mattress for your child, focusing on specific factors that affect the value and sleep experience may help you select the best mattress for your child.

• Price: The price of the mattress may be a deciding factor for some families. A mattress’ price may be influenced by its size, materials, durability, and construction. Some high-priced mattresses are more durable, which may make them a good value over time. However, there are also high-quality, lower-priced models on the market.
• Sleeping Position: Your child’s preferred sleeping position can play a role in how comfortable a mattress feels. We’ve found that side sleepers often prefer a slightly softer mattress to allow the wider parts of their bodies, like their hips and shoulders, to sink in more. Back and stomach sleepers tend to favor a firmer feel that supports their midsections to prevent excessive sinkage. If your child moves around a lot during the night, you might look for a model that balances support and contouring to accommodate all your child’s potential sleep positions.

• Mattress Type: The type of mattress can influence its feel, durability, and other performance factors. The most common types of mattresses on the market are hybrids, innersprings, latex, airbeds, and foam mattresses. Each type of mattress has distinct advantages for sleepers. Hybrids and innersprings could work well for older children, since they weigh more and need more support, while memory foam mattresses are a good solution for children who enjoy “hugging” comfort. Which type of mattress is best for your child may depend on a variety of factors. We’ll discuss different types of mattresses in more depth below.
• Contouring: Contouring refers to how a mattress forms to the sleeper’s body. We’ve noticed that mattresses with more contouring tend to redistribute the sleeper’s body weight, relieving pressure buildup from areas like the hips and shoulders. Children suffering from growing pains may benefit from this pressure relief.
• Quality Materials: High-quality materials can impact the mattress’ performance and longevity. Quality materials tend to be less prone to sagging and deterioration. Sagging and deterioration can make the bed less comfortable and ultimately limit its usability. Lower-quality materials may not be problematic if you plan to discard the mattress in a few years when your child outgrows it. However, if you plan for your child to use the bed long-term or you want to hand it down to another child, quality materials may be more important.
• Firmness Level: Mattress firmness plays a role in how much contouring and support it provides. Softer mattresses allow the sleeper to sink in and enjoy more contouring. Firmer mattresses tend to provide more support. While firmness preferences are largely subjective, we’ve found that the sleeper’s weight and preferred sleep position may also impact their ideal firmness level. We’ll discuss the best firmness for a children’s mattress in detail below.
• Pressure Relief: Pressure relief is usually directly tied to contouring. Our pressure tests on mattresses show heavier areas of a sleeper’s body tend to put more force on the mattress. For most individuals, this creates pressure buildup around their hips and shoulders. Mattresses that contour to the sleeper tend to spread out the sleeper’s body weight, taking some of the pressure off their hips and shoulders.
• Edge Support: Edge support refers to how secure the edge feels when you sit or sleep near it. If the edge does not feel secure, children might not be able to use the full surface of the mattress because they may feel like they could accidentally roll off. A mattress with a weak edge could also make it more challenging to sit on the edge of the bed, which may make it harder for children to get into or out of bed.
• Temperature Regulation: Some mattresses tend to trap heat, while others allow it to dissipate. If your child is prone to overheating or sweating during the night, a mattress with better temperature regulation may keep them more comfortable. Innerspring, hybrid, and latex models are often more breathable than all-foam models. However, many all-foam models also have features to help them sleep cooler.
• Noise: Some mattresses may produce some creaking noises when the sleeper changes position. Mattresses with coil layers tend to be more prone to making noise than all-foam models. If your child is a light sleeper, these sounds could disturb them.

What Not to Do When Buying a Kids Mattress

When buying a mattress for your child, it may be tempting to buy the softest model or to pick a bed with lots of cooling features. However, these beds might not always be the best fit. In the video below, we offer some tips on what not to do when shopping for mattresses. Following these tips will help ensure you find a quality mattress that will properly support your child through development.

Why Do People Buy New Mattresses?

For children, having a comfortable and supportive mattress can be crucial as they grow. A child’s sleep needs will also change as they get older, so buying a new mattress that accommodates them for several years can be a great investment. Below we’ve detailed our findings after polling 100,000 people about reasons they have bought new mattresses.

Which Mattress Firmness is Best for Children?

The ideal firmness is subjective for both children and adults alike. However, weight and preferred sleep position may be important factors to consider when selecting a mattress firmness for your child.

A child’s weight affects how firm a mattress feels to them. Heavier children put more force on the bed, which can make it seem softer to them. Lighter children usually do not sink in as much, which can make a bed seem firmer. Since children usually weigh less than adults, a mattress is likely to feel firmer to them than it will to their parents. Firmer models may be easier for children to move around on, while softer models will likely provide more cradling.

Side sleepers often prefer a softer mattress to accommodate their hips and shoulders. However, back and stomach sleepers often look for a firmer, more supportive model to prevent their midsections from sinking in excessively.

When testing mattresses, we categorize each one based on firmness level. Read our guides for the Best Soft Mattresses, Best Medium Firm Mattresses, and Best Firm Mattresses to learn about our top picks for different firmness categories.

Which Type of Mattress is Best for Kids?

There are a variety of different types of mattresses on the market today. Hybrid, innerspring, latex, airbed, and foam mattresses are among the most widely available types of mattresses. While features and performance vary between models, mattresses within each category tend to share similarities based on their similar construction.

Hybrid

Definition: Hybrid models combine coil support systems with comfort layers that may include polyfoam, memory foam, latex, and/or microcoils. This design is intended to provide the benefits of multiple types of mattresses.

Innerspring

Definition: Innerspring models consist primarily of a layer of coils. Many innerspring mattresses also have comfort layers of foam or fiber, though these are usually fairly thin. Innerspring mattresses are generally considered the most traditional type of mattress.

Latex

Definition: Latex mattresses usually consist of one or more layers of latex. Natural latex is derived from the sap of rubber trees, though synthetic latex and blended latex are also used in some mattresses. Talalay latex usually has a lighter, softer feel, so it is frequently used in comfort layers. Dunlop latex tends to be denser and more durable, and it may be used in a mattress’ comfort and/or support layer.

Airbed

Definition: Airbeds get their name from the air chambers that act as the mattress support layer. These chambers can be filled or emptied using a pump, remote, or app depending on the mattress model. Airbeds frequently have thin comfort layers of latex, foam, wool, or other materials for extra cushioning.

Foam

Definition: Foam mattresses may contain memory foam, polyfoam, or a combination of the two. Some all-foam models may also include latex, wool, or other materials. Memory foam is often used in the mattress comfort system for contouring, while mattress cores often use high-density polyfoam for durable support.