Transitioning from a crib to a big-kid bed is a massive milestone. It marks the end of the baby era and the start of toddler independence.
However, that new freedom means your little one can climb out of bed whenever they please. Choosing the right mattress makes the difference between a child who loves their new sleep space and one who wanders the halls at 2 a.m.
You might think a mattress is just a mattress, but for growing bodies, specific details matter. We broke down the different types, safety features, and durability factors to help you find the best toddler mattress for your home.
- Firm side for babies & soft for toddlers
- CertiPur certified & low VOC
- Soft & hypoallergenic cover
- Greenguard gold certified
- Has water-resistant washable cover
- Budget option
- Breathable material
- Washable cover & core
- Free of chemical emissions
- Sturdy & durable material
- Medium-firm feel mattress
- 10-year limited warranty
- Cooling gel & green tea infusion
- 6-inch mattress height
- High-density base foam
- GOTS & UL/Greenguard certified
- Has waterproof and quilted side
- Made of organic cotton
- Firm but soft for ultimate comfort
- Hypoallergenic & CertiPur certified
- Has cloud-like waterproof cover
- Engineered to prevent sagging
- Recycled plasticconstruction
- Includes a better sleep guarantee
- Can be used for babies & toddlers
- Uses plant-oil-infused foam
- Lightweight mattress
- Certipur-US gel-infused foam
- Made with bamboo charcoal base
- 5 inch mattress height
How to Choose a Toddler Mattress
Toddlers spend roughly half their lives sleeping. Since their bed is their primary environment for rest and growth, the surface they sleep on plays a huge role in their development. Here is what you need to look for.
Size
First, decide on the bed frame size. Most parents choose between a toddler bed or a twin bed. Check your current crib manual; many convert directly into toddler beds.
A toddler bed uses the same mattress size as a crib (standard 52 by 28 inches). These beds sit low to the ground and lack the “cage” feel of crib bars. They usually feature built-in guardrails with a small opening for independence. The main benefit here is comfort; the size feels familiar to your child, making the transition less scary.
Twin beds are significantly larger (75 x 38 inches). They accommodate children right up through adulthood.
However, twin beds rarely come with built-in safety rails. If you have a wild sleeper, you will need to buy separate rails to prevent falls. The biggest perk of a twin bed? There is enough room for you to snuggle comfortably during bedtime stories.
When to Switch to a Toddler Bed
There is no magic age for the crib-to-bed transition, but watch for these signs:
- Climbing: If your acrobat can scale the crib rails even with the mattress at the lowest setting, it is time to switch to avoid injury.
- New Sibling: Many parents move the toddler to a big bed to free up the crib for a new baby.
- Potty Training: If your child is night training, they need unrestricted access to the bathroom.
Type
Once you settle on the size, look at the material composition.
Foam
Foam mattresses are lightweight, affordable, and common. They usually arrive vacuum-packed in a box. Because they are lighter than coils, changing sheets is physically easier. They tend to be thinner, which keeps your child lower to the ground.
Innerspring
Also known as coil mattresses, these use a metal core for support and bounce, surrounded by foam for comfort. They are heavy and hold their shape well over time. If your child likes a “bouncy” bed, this is the classic choice (1).
Latex
Latex is firm, breathable, and highly durable. These mattresses can last over 20 years. They are eco-friendly and naturally resistant to bedbugs.
The downsides are weight and price. They are heavy and expensive. Also, ensure no one in the house has a latex allergy before buying (2).
Hybrid
Hybrids mix coils with memory foam or latex layers, often adding cooling gel. They offer the sturdy durability of springs with the body-contouring comfort of foam.
Dual-Sided (Flippable)
These are designed for longevity. One side is ultra-firm for safe infant sleep. The other side uses softer foam for toddlers who want more cushion. This allows you to use one mattress from birth through age 4.
Durability
If you use a toddler-sized bed, durability matters less because your child will outgrow the bed by age 4 or 5. However, if you plan to hand the mattress down to a sibling, or if you are buying a twin mattress intended to last a decade, quality counts.
Latex is the durability king, lasting 15+ years. Hybrids and innersprings generally last 7 to 10 years. Pure foam mattresses average roughly 10 years depending on the density (3).
Comfort
Toddlers are not as picky as adults, but they still need support. A medium-firm feel is usually the sweet spot; it supports growing spines without feeling like a rock.
Temperature regulation is also vital. Toddlers sleep hot. Look for breathable covers, coil systems that allow airflow, or cooling gel infusions to prevent sweaty wake-ups. Check the mattress periodically for sagging or indentations. If it does not snap back to shape, it is time to replace it.
Safety
Safety remains the top priority, even after the crib stage.
Flammability
U.S. law requires mattresses to pass open-flame testing. Manufacturers use various fire barriers to meet this standard. Always check the CPSC website to ensure your chosen model hasn’t been recalled (4).
Bed Height
Keep it low. A low bed frame combined with a thinner mattress (5-6 inches) reduces the risk of injury if your child rolls out.
Proper Fit
If using a toddler bed, the fit must be snug to prevent entrapment. You should not be able to fit more than two fingers between the mattress edge and the bed frame.
Hypoallergenic
Bedrooms are common allergy triggers. Hypoallergenic mattresses use materials that resist dust mites and dander. If your child wakes up with a stuffy nose or itchy eyes, look for a mattress with an anti-allergy cover (5).
Eco-Friendly Certifications
Standard mattresses can off-gas Volatile Organic Compounds (VOCs), which cause that chemical “new mattress smell.” To avoid this, look for certifications like Greenguard Gold or CertiPUR-US. These certify the mattress has low chemical emissions.
Natural latex and organic cotton are excellent choices for avoiding synthetic chemicals entirely.
Ease of Cleaning
Potty training involves accidents. Lots of them. A waterproof mattress is a lifesaver. If the mattress itself isn’t waterproof, buy a high-quality waterproof protector immediately. Some mattresses, like the Newton, feature a completely washable core, which is the gold standard for hygiene.
Budget
Price varies wildly. Foam is generally the cheapest option due to lower material and shipping costs. Latex and organic hybrids sit at the top of the price range. Set your budget first, then find the best safety ratings within that bracket. Expensive doesn’t always equal safer.
Warranty and Trials
Mattresses are subjective. What one toddler loves, another might hate. Look for a “sleep trial” period (usually 30 to 100 nights) that allows you to return the mattress if it doesn’t work out.
Note that bed-in-a-box mattresses are almost impossible to get back into the box. If you think you might return it, check if the company offers pick-up service or donation options for returns.
Product Reviews
We evaluated these mattresses based on safety certifications, comfort, waterproofing, and durability. Here are our top picks.
Milliard Flip Mattress for Babies and Toddlers
Best Toddler Crib Mattress
The Milliard Flip is the ultimate “grow with me” mattress. It is designed to fit all standard cribs and toddler beds, saving you from buying a replacement when your baby graduates to a big-kid bed.
The genius lies in the dual-sided construction. One side features dense foam for the firm support infants require. The other side uses softer memory foam to contour to your active toddler’s body. Color-coded labels on the side tell you exactly which way to flip it.
Let’s talk accidents, because potty training is messy. This mattress includes a waterproof, washable cotton cover. You can zip it off and toss it in the machine, ensuring the sleep surface stays hygienic.
Pros
- Dual-sided design maximizes longevity.
- CertiPUR-US certified foam (low VOCs).
- Machine washable cover handles accidents well.
Cons
- Cotton cover needs air drying to prevent shrinking.
Product Specs
| Dimensions | 52 x 27.5 x 5.5 inches |
| Weight | 13 pounds |
| Toddler or Twin Sized | Crib |
| Foam or Coils | Foam |
| Certified | CertiPUR-US |
Our Ratings
Graco Premium Foam Crib and Toddler Mattress
Best Cheap Toddler Mattress
If you need a reliable, safe mattress without spending a fortune, Graco delivers. This is a straightforward, no-frills foam mattress that fits both standard cribs and toddler beds.
Graco is a staple in the nursery world for a reason. This mattress comes compressed in a small box, expanding quickly upon opening. While it doesn’t have fancy dual-sided layers, it hits the ideal firmness level for both safety and toddler comfort.
Despite the low price, it boasts Greenguard Gold certification. This means it has been tested for over 10,000 chemicals and meets strict standards for indoor air quality. That is a huge plus for parents worried about off-gassing (6).
Pros
- Extremely affordable without sacrificing safety.
- Greenguard Gold certified for low emissions.
- Water-resistant, removable cover included.
Cons
- Can take up to 72 hours to fully expand.
Product Specs
| Dimensions | 52 x 27.6 x 5 inches |
| Weight | 7 pounds |
| Toddler or Twin Sized | Toddler |
| Foam or Coils | Foam |
| Certified | Greenguard Gold, Cert-PUR-US |
Our Ratings
Newton Baby Crib and Toddler Mattress
Best Breathable Toddler Mattress
The Newton is in a league of its own regarding breathability. Instead of solid foam, the core is made of a patented “Wovenaire” food-grade polymer. It looks like a block of solidified ramen noodles, allowing air to flow completely freely. If your toddler is a face-down sleeper, this provides immense peace of mind.
The biggest selling point for toddlers, however, is the washability. You can unzip the cover to wash it, and then put the actual mattress core in the shower or bathtub to rinse it out. It is the only mattress that is truly 100% washable.
It contains no foam, latex, springs, or glue, making it completely hypoallergenic and Greenguard Gold certified.
Pros
- 100% breathable to reduce suffocation risk.
- Fully washable core (rinse in the shower).
- Zero off-gassing or chemical smell.
- Lightweight and easy to change sheets.
Cons
- Significantly more expensive than foam options.
- Smells like plastic initially (airs out quickly).
Product Specs
| Dimensions | 52 x 28 x 5.5 inches |
| Weight | 11 pounds |
| Toddler or Twin Sized | Toddler |
| Foam or Coils | Neither |
| Certified | Greenguard Gold |
Our Ratings
Linenspa 8-Inch Hybrid Mattress
Best Toddler Twin Mattress
Moving straight to a twin bed? The Linenspa Hybrid is an excellent entry-level choice. It combines the heavy-duty support of steel coils with a layer of hypoallergenic memory foam.
This hybrid design gives toddlers the contouring comfort they like without the “sinking” feeling of pure memory foam. The medium-firm feel is perfect for growing spines. Because it uses coils, it breathes better than solid foam blocks, helping regulate temperature.
It is heavier than a foam mattress, but that weight means it stays put on the bed frame even when your toddler treats it like a trampoline. Linenspa backs it with a 10-year warranty, suggesting it will last well into their pre-teen years.
Pros
- Hybrid design offers durability and comfort.
- Great price point for a twin mattress.
- Ships compressed in a surprisingly small box.
Cons
- At 8 inches, it might be too high for some safety rails.
- Memory foam layer retains some heat.
Product Specs
| Dimensions | 75 x 39 x 8 inches |
| Weight | 30 pounds |
| Toddler or Twin Sized | Twin |
| Foam or Coils | Both |
| Certified | CertiPUR-US |
Our Ratings
Zinus 6 Inch Gel Infused Mattress
Best Toddler Mattress for Hot Sleepers
Memory foam is notorious for trapping body heat, which leads to sweaty, cranky toddlers. Zinus solved this by infusing their foam with cooling gel and green tea extract. This helps regulate temperature and keeps the mattress smelling fresh.
At 6 inches thick, this is the ideal height for a toddler’s twin bed. It keeps them low to the floor and fits well under standard safety rails. The base foam is high-density for support, while the top layer relieves pressure points.
It is CertiPUR-US certified, ensuring it meets strict standards for content, emissions, and durability.
Pros
- Cooling gel infusion combats night sweats.
- Green tea extract helps neutralize odors.
- Low profile (6 inches) is safer for toddlers.
Cons
- Can take several days to fully decompress.
- Fiberglass inner cover (do not remove the outer cover).
Product Specs
| Dimensions | 75 x 39 x 6 inches |
| Weight | 20.75 pounds |
| Toddler or Twin Sized | Twin |
| Foam or Coils | Foam |
| Certified | CertiPUR-US |
Our Ratings
Naturepedic 2-in-1 Organic Kids Mattress
Safest Toddler Mattress
If you want to eliminate synthetic chemicals from your child’s room, Naturepedic is the gold standard. This mattress is GOTS certified organic and UL/Greenguard certified. It doesn’t just meet safety standards; it exceeds them.
The “2-in-1” feature is brilliant for the transition years. One side is waterproof (using food-grade polyethylene from sugarcane, not toxic plastics) for potty training days. The other side is quilted organic cotton for a luxurious feel once accidents are history.
It uses innerspring coils for robust support, wrapped in organic cotton batting. It is pricey, but you are paying for premium, non-toxic materials made in the USA.
Pros
- Certified organic and non-toxic (GOTS & MADE SAFE).
- One waterproof side, one quilted plush side.
- Innersprings provide excellent airflow.
Cons
- Very heavy compared to foam mattresses.
- High price point.
Product Specs
| Dimensions | 75 x 38 x 7 inches |
| Weight | 56 pounds |
| Toddler or Twin Sized | Twin |
| Foam or Coils | Both |
| Certified | GOTS, Greenguard Gold, Made Safe |
Our Ratings
Milliard Premium Memory Foam Crib and Toddler Mattress
Best Toddler Memory Foam Mattress
For toddlers who crave comfort, this Milliard option offers a plush feel without sacrificing support. It uses a firmer foam base for structural integrity, topped with high-quality memory foam that contours to the body.
The standout feature here is the bamboo cover. Bamboo is naturally breathable and soft, and this cover is waterproof and machine washable. If a spill happens, the liquid stays on the surface rather than soaking into the foam.
The foam is CertiPUR-US certified, meaning it is made without heavy metals or ozone depleters. It balances luxury comfort with practical parenting needs.
Pros
- Bamboo cover is soft, waterproof, and washable.
- Excellent balance of firm support and soft top layer.
- Resistant to dust mites and allergens.
Cons
- Memory foam retains more heat than coils.
- Bamboo cover can be slippery with certain sheets.
Product Specs
| Dimensions | 52 x 27.5 x 5.5 inches |
| Weight | 10.12 pounds |
| Toddler or Twin Sized | Toddler |
| Foam or Coils | Foam |
| Certified | CertiPUR-US |
Our Ratings
Casper Sleep Element Twin Mattress
Best Durable Toddler Mattress
Casper brought the “bed-in-a-box” revolution to the masses, and the Element is their durable, kid-friendly option. It uses two layers of foam: a durable base to prevent sagging and a perforated “AirScape” top layer to circulate air.
This mattress is engineered for longevity. It is designed to handle years of sleeping (and jumping) without losing its shape. Casper includes a 10-year limited warranty, making this a solid investment for a bed intended to last until high school.
Eco-bonus: Each cover is made with up to 121 recycled plastic bottles. Plus, the 100-night risk-free trial lets you test it thoroughly before committing.
Pros
- Perforated foam helps keep sleepers cool.
- Excellent edge support and durability.
- Uses recycled materials for the cover.
- 100-night trial period.
Cons
- Thicker profile (10 inches) requires careful rail selection.
- More expensive than basic foam options.
Product Specs
| Dimensions | 75 x 38 x 10 inches |
| Weight | 41 pounds |
| Toddler or Twin Sized | Twin |
| Foam or Coils | Foam |
| Certified | CertiPUR-US |
Our Ratings
Eco Classica III Baby and Toddler Mattress
Best Eco-Friendly Toddler Mattress
If you want an eco-friendly option but cannot stretch the budget for organic latex, the Eco Classica III is a smart middle ground. The foam is infused with plant oils, reducing the reliance on petroleum.
Like other top contenders, it is dual-sided. The infant side is extra firm, while the toddler side offers more give. It is Greenguard Gold certified, ensuring the air in your nursery remains clean.
It is lightweight, which makes those late-night sheet changes much faster. The cover is organic cotton and waterproof, protecting the plant-based foam core from accidents.
Pros
- Plant-based foam reduces petroleum use.
- Dual-sided firmness levels.
- Made in the USA.
- Waterproof organic cotton cover.
Cons
- Some parents report the seams can fray over time.
- “Waterproof” cover is water-resistant; heavy leaks might soak through.
Product Specs
| Dimensions | 52 x 27.75 x 6 inches |
| Weight | 9.6 pounds |
| Toddler or Twin Sized | Toddler |
| Foam or Coils | Foam |
| Certified | Greenguard Gold, CertiPUR-US |
Our Ratings
LUCID 5 Inch Hypoallergenic Memory Foam Mattress
Best Hypoallergenic Toddler Mattress
The LUCID 5-inch mattress is designed specifically for kids transitioning to big beds. The standout feature is the bamboo charcoal infusion in the base foam. This natural element helps absorb moisture and neutralize odors, a huge plus for sweaty sleepers or potty-training accidents.
The profile is super low at 5 inches. This is excellent for safety, as it maximizes the effective height of guardrails and keeps the child close to the floor.
It is simple, effective, and budget-friendly. While it may be too firm for an adult, the support level is appropriate for lightweight toddlers.
Pros
- Bamboo charcoal helps control odors.
- Low 5-inch profile fits under all safety rails.
- Very affordable.
Cons
- Quite firm; not ideal for older kids who want plushness.
- Corners may take longer to expand fully.
Product Specs
| Dimensions | 74 x 37.5 x 5 inches |
| Weight | 14.3 pounds |
| Toddler or Twin Sized | Twin |
| Foam or Coils | Foam |
| Certified | CertiPUR-US |
Our Ratings
| Product | Best | Dimensions | Weight | Toddler or Twin | Foam or Coils | Certification |
|---|---|---|---|---|---|---|
| Milliard Flip Mattress for Babies and Toddlers | Best Toddler Crib Mattress | 52 x 27.5 x 5.5″ | 13 lbs | Toddler | Foam | CertiPUR-US |
| Graco Premium Foam Crib and Toddler Mattress | Best Cheap Toddler Mattress | 52 x 27.6 x 5″ | 7 lbs | Toddler | Foam | Greenguard Gold, Cert-PUR-US |
| Newton Baby Crib and Toddler Mattress | Best Breathable Toddler Mattress | 52 x 28 x 5.5″ | 11 lbs | Toddler | Neither | Greenguard Gold |
| Linenspa 8-Inch Hybrid Mattress | Best Toddler Twin Mattress | 75 x 39 x 8″ | 30 lbs | Twin | Both | CertiPUR-US |
| Zinus 6 Inch Gel Infused Mattress | Best for Hot Sleepers | 75 x 39 x 6″ | 20.75 lbs | Twin | Foam | CertiPUR-US |
| Naturepedic 2-in-1 Organic Kids Mattress | Safest Toddler Mattress | 75 x 38 x 7″ | 56 lbs | Twin | Both | GOTS, Greenguard Gold, Made Safe |
| Milliard Premium Memory Foam Crib and Toddler Mattress | Best Toddler Memory Foam Mattress | 52 x 27.5 x 5.5″ | 10.12 lbs | Toddler | Foam | CertiPUR-US |
| Casper Sleep Element Twin Mattress | Best Durable Toddler Mattress | 75 x 38 x 10″ | 41 lbs | Twin | Foam | CertiPUR-US |
| Eco Classica III Baby and Toddler Mattress | Best Eco-Friendly Toddler Mattress | 52 x 27.75 x 6″ | 9.6 lbs | Toddler | Foam | Greenguard Gold, CertiPUR-US |
| LUCID 5 Inch Hypoallergenic Memory Foam Mattress | Best Hypoallergenic Toddler Mattress | 74 x 37.5 x 5″ | 14.3 lbs | Twin | Foam | CertiPUR-US |
Toddler Mattress FAQs
Here are the answers to the most common questions regarding your toddler’s sleep setup.
What Kind of Mattress is Best for a Toddler?
The best mattress depends on the bed frame. If you are using a toddler bed (which is the same size as a crib), a dual-sided crib mattress is ideal. The “toddler side” is slightly softer than the infant side. If you are moving to a twin bed, look for a medium-firm hybrid or foam mattress that is 6 to 8 inches thick.
Do Toddlers Need Special Mattresses?
Yes and no. A toddler bed uses a standard crib mattress. However, twin mattresses for adults might be too soft or too high for a small child. Toddlers need firmer support for proper spine alignment, and they need a lower profile mattress for safety. Avoid pillow-top mattresses for toddlers as they can be suffocation hazards and entrapment risks.
Should Toddlers Sleep on a Firm or Soft Mattress?
Medium-firm is best. While infants require an extra-firm surface to prevent SIDS, toddlers can handle a bit more cushion. However, a mattress that is too soft won’t support their growing bodies and can make it difficult for them to move around or get out of bed.
Are Foam or Spring Mattresses Better?
Both work well. Foam is lighter, usually cheaper, and hypoallergenic. Spring (coil) mattresses are heavier, more durable, and generally offer better airflow for hot sleepers. Hybrids are a great middle-ground, offering the durability of springs with the comfort of foam.
Is Memory Foam Safe for Toddlers?
Yes, provided it is certified non-toxic (look for CertiPUR-US) and breathable. Traditional memory foam traps heat, so look for “open-cell” or “gel-infused” foams. Ensure the mattress is firm enough that your child doesn’t sink in deeply, which can restrict movement.
How Thick Should a Toddler Mattress Be?
For safety, thinner is often better. A mattress between 5 and 8 inches is ideal. Thicker mattresses (10+ inches) can render safety rails useless because the child sits too high up. A lower profile keeps the center of gravity low and reduces the impact of any falls.
Do I Need a Waterproof Mattress Protector?
Unless your mattress is specifically designed to be waterproof (like many crib/toddler mattresses), a waterproof protector is mandatory. Potty training accidents, stomach bugs, and spilled juice cups are inevitable. A good protector stops liquids from soaking into the foam, preventing mold and odors.
How Do I Clean a Toddler Mattress?
If the mattress has a removable waterproof cover, unzip it and wash it according to the label instructions. For the mattress surface itself, spot clean with a mild enzyme cleaner to break down biological messes (like urine). Allow it to air dry completely before putting sheets back on. Never saturate a foam mattress with water unless the manufacturer explicitly says it is washable (like the Newton).
Rest Easy
Moving to a big-kid bed is a major step for your toddler. It signals independence and growth. While the options can seem endless, focusing on the basics, safety, size, and washability, will lead you to the right choice.
Whether you choose a high-tech breathable model or a sturdy budget foam, the right mattress sets the stage for healthy sleep habits. Good luck with the transition!
