Best picks

9 Best Baby Crib Mattresses (November 2026)

Updated on · By the Baby Playpens & Bassinets team

The best baby crib mattresses include the Graco Premium Foam Baby Crib & Toddler for low-effort cleanup, the Sealy Baby Flex Cool 2 Stage Crib for coil support, and the Letmxiu Premium Crib & Toddler Mattress for a soft knitted cover.

On this page (8 sections)
  1. Which baby crib mattress is best for most families?
  2. The best crib mattresses for baby and toddler use
  3. How should you choose a baby mattress by construction?
  4. Is a waterproof baby crib mattress easier to clean?
  5. Do you need a double-sided crib mattress?
  6. How do you check crib mattress fit?
  7. More guides on this topic
  8. Which crib mattress should you choose?

The best crib mattress for baby use is the Graco Premium Foam, with a firm foam core, waterproof sleep surface and washable cover. Choose Sealy for coil support, or Dream On Me for a dual-sided infant-to-toddler design.

For another brand-specific comparison, see Naturepedic crib mattresses.

We compared these baby crib mattress picks by fit, firmness, construction, certifications, waterproof protection and cleaning requirements. A safe-feeling choice still needs to fit your crib correctly, so measure the inside of the crib before ordering.

For guidance on a calm, awake baby in the crib, read what to do with an awake baby in a crib.

If you're still choosing the crib itself, start with our guide to best baby cribs. For the support underneath the mattress, see whether you need a box spring for a crib mattress.

Our picks at a glance

  1. 1 Graco Premium Foam Baby Crib & Toddler
    Best for low-effort cleanup

    Graco Premium Foam Baby Crib & Toddler

    9.7/10 our score

    See it on Amazon
  2. 2 Sealy Baby Flex Cool 2 Stage Crib
    Best for coil support

    Sealy Baby Flex Cool 2 Stage Crib

    9.6/10 our score

    See it on Amazon
  3. 3 Letmxiu Premium Crib & Toddler Mattress
    Best for a soft knitted cover

    Letmxiu Premium Crib & Toddler Mattress

    9.6/10 our score

    See it on Amazon
  1. 4Dream On Me 2-in-1 Serene Snooze Baby

    Dream On Me 2-in-1 Serene Snooze Baby

    Best for a certified dual-stage mattress
    Check it
  2. 5Letmxiu Premium Baby Mattress for Crib

    Letmxiu Premium Baby Mattress for Crib

    Best for quiet foam support
    Check it
  3. 6Dream On Me 2-in-1 Honeycomb Orthopedic BabyCheck it
  4. 7Delta Children Serta Perfect Start Limited Dual SidedCheck it
  5. 8Hiccapop Dual Sided Baby Crib Mattress

    Hiccapop Dual Sided Baby Crib Mattress

    Best for a thicker foam profile
    Check it
  6. 9Sealy Baby Infant & Toddler Crib Mattress

    Sealy Baby Infant & Toddler Crib Mattress

    Best for traditional coil construction
    Check it

Which baby crib mattress is best for most families?

The Graco Premium Foam is the best baby crib mattress for most families because its firm polyurethane foam core combines a standard full-size fit with waterproof protection and a removable washable cover.

Its 52 x 27.6 x 4.5 in size is designed for standard full-size cribs and toddler beds. The cover has an OEKO-TEX STANDARD 100 certification, while the mattress has GREENGUARD Gold, UL Formaldehyde Free and Baby Safety Alliance certifications.

The cover washes in cold water on a delicate cycle without bleach. Graco says to hang it dry and not place it in a dryer.

The mattress ships compressed and may need up to 48 hours to fully expand.

Our score weighs specs, features and buyer feedback against what you're shopping for. The scores below are fixed for this site, so a product keeps the same score wherever it appears.

ProductBest forSizeCoreCoverOur score
Graco Premium Foam Baby Crib & Toddlerlow-effort cleanup52 x 27.6 x 4.5 inHigh-density polyurethane foamPolyester, waterproof and removable9.7
Sealy Baby Flex Cool 2 Stage Cribcoil support52 x 28 x 5.75 in204 interwoven steel coilsCotton with airflow channels9.6
Letmxiu Premium Crib & Toddler Mattressa soft knitted cover52 x 27.6 x 5 inMemory foamVelvet9.6
Dream On Me 2-in-1 Serene Snooze Babya certified dual-stage mattress52 x 28 x 5 inPolyester fiberWaterproof vinyl9.3
Letmxiu Premium Baby Mattress for Cribquiet foam support52 x 27.6 x 5 inHigh-density foamPolycotton9.1
Dream On Me 2-in-1 Honeycomb Orthopedic Babywipe-clean care52 x 28 x 5 inFiberWhite waterproof vinyl8.9
Delta Children Serta Perfect Start Limited Dual Sidedrecycled fiber content52 x 27.5 x 5.5 inFiber corePolyester, waterproof8.4
Hiccapop Dual Sided Baby Crib Mattressa thicker foam profile52 x 27.5 x 6 inMemory foam and polyurethane foamWaterproof Jacquard8.3
Sealy Baby Infant & Toddler Crib Mattresstraditional coil construction51.63 x 27.3 x 5.75 inSteel coilsWaterproof vinyl8.2

The best crib mattresses for baby and toddler use

Sealy is the strongest coil option, while the foam, fiber and memory foam picks suit different cleaning and transition needs. Use each product's construction and fit details to narrow the choice.

1

Graco Premium Foam Baby Crib & Toddler: Best for low-effort cleanup

Graco Premium Foam Baby Crib & Toddler, baby crib mattresses
9.7/10Our score
  • 52 x 27.6 x 4.5 in
  • Firm polyurethane foam core
  • Waterproof sleep surface
  • Removable machine-washable cover

A firm foam mattress with a waterproof sleep surface and removable washable cover. It fits standard full-size cribs and toddler beds.

See it on Amazon

Pros

  • Washable waterproof cover
  • GREENGUARD Gold and OEKO-TEX certifications
  • Fiberglass-free foam construction

Cons

  • Cover must hang dry
  • Needs up to 48 hours to fully expand

Graco is a strong choice when easy cleanup and low-emission certifications matter most. Its firm high-density polyurethane foam core measures 4.5 in thick, and the waterproof sleep surface blocks leaks and spills from reaching the foam.

The removable polyester cover unzips for machine washing. Graco specifies cold water, a delicate cycle, no bleach and hang drying, so it needs more care than a cover that simply wipes clean.

GREENGUARD Gold, OEKO-TEX STANDARD 100, CertiPUR-US and Baby Safety Alliance certifications give this mattress a broad set of stated material and emissions credentials. It is also made without fiberglass and chemical flame retardants.

The 52 x 27.6 in footprint suits standard full-size cribs and toddler beds, but the crib interior should still be measured before ordering. A snug fit leaves no gaps at the sides or corners.

Choose Graco if you want one mattress for the newborn stage through toddler years and prefer foam over coils. Allow up to 48 hours for full expansion after unboxing at room temperature.

Graco Premium Foam Baby Crib & ToddlerCheck it on Amazon
2

Sealy Baby Flex Cool 2 Stage Crib: Best for coil support

Sealy Baby Flex Cool 2 Stage Crib, baby crib mattresses
9.6/10Our score
  • 52 x 28 x 5.75 in
  • Firm infant side and softer toddler side
  • 204 pocketed steel coils
  • PVC-free waterproof barrier

A dual-stage coil mattress with a breathable cotton cover, reinforced edges and waterproof protection. It is made for baby and toddler use.

See it on Amazon

Pros

  • Dual-sided design
  • Cotton cover with airflow channels
  • GREENGUARD Gold certified

Cons

  • Heavier than several foam models
  • Thicker profile needs a close fit check

Sealy Baby Flex Cool suits parents who prefer coil construction and a dual-stage design. Its 204 interwoven steel coils, reinforced border edges and strength pillars support a firm, flat surface that holds its shape around the perimeter.

The cotton cover includes airflow channels, and the mattress has a PVC-free waterproof barrier. That combination gives you a breathable cover material with protection against everyday leaks and spills.

The infant side is firm, while the toddler side is softer. Its 52 x 28 x 5.75 in size fits many standard cribs and toddler beds, but measure the crib before ordering because thickness varies between models.

Coil construction can feel more structured than foam when a child shifts position during the night. The reinforced edges also help the mattress sit squarely when a fitted sheet is pulled over it.

Choose this Sealy if coil support and cotton matter more to you than a lighter foam design. Its GREENGUARD Gold certification and ASTM testing add useful safety and air-quality credentials.

Sealy Baby Flex Cool 2 Stage CribCheck it on Amazon
3

Letmxiu Premium Crib & Toddler Mattress: Best for a soft knitted cover

Letmxiu Premium Crib & Toddler Mattress, baby crib mattresses
9.6/10Our score
  • 52 x 27.6 x 5 in
  • Firm memory foam
  • Velvet fleece surface
  • 50 lb weight limit

A 5 in firm memory foam mattress with a knitted fabric and fleece surface. Its compressed setup requires several days before normal use.

See it on Amazon

Pros

  • Firm memory foam support
  • Soft knitted surface
  • Designed for standard cribs and toddler beds

Cons

  • Requires 3 to 5 days for normal use
  • Cover care details are less specific

The Letmxiu Premium Crib & Toddler Mattress fits shoppers who want firm memory foam with a soft knitted surface. It measures 52 x 27.6 x 5 in and has a 50 lb weight limit.

Its high-grade memory foam core is described as firm, while the velvet fleece surface is designed to feel soft and quiet. The tight-top design avoids seams across the sleeping surface.

This mattress arrives compressed. Letmxiu says it can recover to 90% to 95% after 72 hours and should be left for 3 to 5 days before normal use.

Plan the setup around that waiting period. Ordering well before the baby arrives gives the foam time to recover fully and makes it easier to check the fit in the crib.

Choose it if a quiet memory foam surface is your priority. Confirm the crib's inside measurements and leave enough time for the mattress to recover before putting it into regular use.

Letmxiu Premium Crib & Toddler MattressCheck it on Amazon
4

Dream On Me 2-in-1 Serene Snooze Baby: Best for a certified dual-stage mattress

Dream On Me 2-in-1 Serene Snooze Baby, baby crib mattresses
9.3/10Our score
  • 52 x 28 x 5 in
  • Extra-firm infant side and toddler side
  • Waterproof vinyl cover
  • Polyester fiber core

A dual-sided fiber mattress with an extra-firm infant side and a toddler surface. The waterproof vinyl cover wipes clean with a damp cloth.

See it on Amazon

Pros

  • GREENGUARD Gold and BSA certified
  • Waterproof wipe-clean cover
  • Made in the USA

Cons

  • Does not fit mini cribs or playards
  • Cover is not described as machine washable

Dream On Me Serene Snooze is the best fit for parents who want a clearly stated infant side and toddler side. The 52 x 28 x 5 in mattress has an extra-firm infant side and a comfortable toddler surface.

Its polyester fiber core and waterproof vinyl cover keep the construction simple. The cover wipes clean with a damp cloth, which can be easier than removing and washing a cover after every small spill.

GREENGUARD Gold and Baby Safety Alliance certifications are included, and the mattress is made in the USA. Dream On Me also states that it meets 16 CFR 1632 and 1633 flammability standards.

This mattress is designed for full-size cribs and toddler beds, not mini cribs or playards. For mini crib options, compare Dream On Me mini crib mattresses.

Choose it when a wipe-clean cover and two-stage use matter more than a removable washable cover.

Dream On Me 2-in-1 Serene Snooze BabyCheck it on Amazon
5

Letmxiu Premium Baby Mattress for Crib: Best for quiet foam support

Letmxiu Premium Baby Mattress for Crib, baby crib mattresses
9.1/10Our score
  • 52 x 27.6 x 5 in
  • Firm high-density foam
  • Polycotton cover
  • Soft breathable knitted fabric

A firm high-density foam mattress with a soft knitted surface and one-layer construction. Letmxiu describes it as quiet and breathable.

See it on Amazon

Pros

  • High-density foam core
  • Soft knitted fabric
  • Fits standard cribs and toddler beds

Cons

  • Requires 3 to 5 days for normal use
  • No waterproof cover detail is supplied

The second Letmxiu pick is best for quiet, firm high-density foam with a soft knitted surface. It measures 52 x 27.6 x 5 in and uses a polycotton cover over a one-layer high-density foam core.

The cover is described as soft, breathable and quiet. A one-layer construction also keeps the design simple, with no extra transition layer to manage as a child grows.

The product information does not identify a waterproof barrier, so consider a separate waterproof protection plan if wet accidents are a major concern. Without that extra layer, spills can reach the foam more quickly.

Like the other Letmxiu foam model here, it arrives compressed and needs 3 to 5 days before normal use. That makes delivery timing important if you need a mattress immediately.

Choose this version when breathable knitted fabric and firm foam are more important than a waterproof cover. Compare it with the other Letmxiu model if you want memory foam or a stated weight limit.

Letmxiu Premium Baby Mattress for CribCheck it on Amazon
6

Dream On Me 2-in-1 Honeycomb Orthopedic Baby: Best for wipe-clean care

Dream On Me 2-in-1 Honeycomb Orthopedic Baby, baby crib mattresses
8.9/10Our score
  • 52 x 28 x 5 in
  • 5 in fiber core
  • Dual-sided design
  • Waterproof vented vinyl cover

A firm dual-sided fiber mattress with a waterproof vented vinyl cover. The cover wipes clean with mild soap and warm water.

See it on Amazon

Pros

  • Waterproof cover
  • GREENGUARD Gold certified
  • Made in the USA

Cons

  • Wipe-clean cover is not described as removable
  • Firmness is not separately stated for each side

Dream On Me Honeycomb is the best choice for wipe-clean waterproof care. Its 5 in fiber core and dual-sided design are paired with a white waterproof vented vinyl cover.

The cover wipes clean with mild soap and warm water. Unlike the Graco and Hiccapop covers, it is not described as removable and machine washable, so daily surface cleaning is the main care method.

This 52 x 28 x 5 in mattress is made in the USA and has GREENGUARD Gold certification. Dream On Me also states that it meets flammability, phthalate and lead tests.

A fiber core gives the mattress a firm feel without the weight of a coil system. The vented cover is also aimed at keeping the sleep surface fresher between cleanings.

Choose it when a simple wipe-clean surface is more useful than a washable cover. For foam-focused options, compare our guide to best crib mattress foam.

Dream On Me 2-in-1 Honeycomb Orthopedic BabyCheck it on Amazon
7

Delta Children Serta Perfect Start Limited Dual Sided: Best for recycled fiber content

Delta Children Serta Perfect Start Limited Dual Sided, baby crib mattresses
8.4/10Our score
  • 52 x 27.5 x 5.5 in
  • Dual-sided fiber core
  • Waterproof cover
  • Made from more than 300 recycled bottles

A firm dual-sided mattress with a fiber core made from recycled bottles. The waterproof cover supports simpler cleanup through crib and toddler use.

See it on Amazon

Pros

  • Uses recycled bottle content
  • GREENGUARD Gold and JPMA certified
  • 7-year limited warranty

Cons

  • Cover pattern may vary
  • Exact toddler-side firmness is not stated

The Delta Children Serta Perfect Start suits families who want a dual-sided fiber mattress with recycled content. Its fiber core uses material from more than 300 recycled bottles, while the waterproof cover supports easier cleanup.

The mattress measures 52 x 27.5 x 5.5 in and is designed for standard full-size cribs and toddler beds. Flip the mattress as your child moves from crib use toward toddler use.

GREENGUARD Gold and JPMA certifications support the stated safety profile. The mattress is also free from added toxic fire retardants, lead and phthalates, and it has a 7-year limited warranty.

A dual-sided design spreads wear across both surfaces over time. That can be a practical benefit for families planning to use one mattress from infancy into the toddler stage.

The cover pattern may vary, so focus on the construction rather than the appearance. For another Serta option with a different design, compare best Serta baby crib mattress.

Delta Children Serta Perfect Start Limited Dual SidedCheck it on Amazon
8

Hiccapop Dual Sided Baby Crib Mattress: Best for a thicker foam profile

Hiccapop Dual Sided Baby Crib Mattress, baby crib mattresses
8.3/10Our score
  • 52 x 27.5 x 6 in
  • Firm infant side and softer toddler side
  • CertiPUR-US foam
  • Machine-washable waterproof Jacquard cover

A 6 in dual-layer foam mattress with a firm baby side and softer toddler side. Its zippered cover is waterproof and machine washable.

See it on Amazon

Pros

  • Thickest mattress here
  • Removable washable cover
  • Made in the USA

Cons

  • Thicker profile needs careful crib fit checking
  • Softer side is intended for toddlers

Hiccapop is the best option for families who want a thicker dual-sided foam mattress. At 6 in, it is the thickest pick here, with a firm infant side and softer toddler side.

The mattress uses CertiPUR-US certified memory foam and polyurethane foam. Its 52 x 27.5 in footprint is designed for standard cribs, while rounded corners and edge support help create a snug fit.

The waterproof Jacquard cover has a zipper for removal, machine washing and drying. That makes it one of the easier options here for full-cover cleaning after a larger accident.

The extra thickness adds height inside the crib, so rail clearance and sheet fit deserve a careful check after setup. A thicker mattress is not automatically better if it leaves less room above the sleep surface.

Check the crib's mattress height and fit carefully because this model is thicker than several alternatives. Choose it for its dual-layer foam construction and washable cover, not simply because it is thicker.

Hiccapop Dual Sided Baby Crib MattressCheck it on Amazon
9

Sealy Baby Infant & Toddler Crib Mattress: Best for traditional coil construction

Sealy Baby Infant & Toddler Crib Mattress, baby crib mattresses
8.2/10Our score
  • 51.63 x 27.3 x 5.75 in
  • 204 steel coils
  • Dual-stage firmness
  • Medical-grade waterproof vinyl cover

A dual-stage coil mattress with 204 steel coils, reinforced borders and a wipe-clean waterproof cover. It fits full-size cribs and toddler beds.

See it on Amazon

Pros

  • 204-coil support system
  • Waterproof cover
  • GREENGUARD Gold certified

Cons

  • Vinyl cover is not described as removable
  • Slightly narrower than some standard-size options

The Sealy Baby Firm Rest suits shoppers who want traditional steel-coil support with two firmness stages. It has 204 continuous steel coils, reinforced border wire and corner support pillars.

The extra-firm infant side is designed for newborn use, while the toddler side is more comfortable for a growing child. Its medical-grade waterproof vinyl cover helps block moisture, stains, spills and odors.

This model measures 51.63 x 27.3 x 5.75 in, which is slightly narrower than some other standard-size picks. Measure the crib interior and check the gap around the edges before use.

The coil system gives the mattress firm, even support across the whole surface. Corner pillars help keep the edges from sagging where small hands and knees press during sleep.

Choose it if a coil core and wipe-clean waterproof cover are your main priorities. For a closer look at another Sealy model, see best Sealy baby crib mattress.

Sealy Baby Infant & Toddler Crib MattressCheck it on Amazon

How should you choose a baby mattress by construction?

Choose foam for a lighter, simpler core, coils for traditional support, or fiber for a firm mattress with a different feel and usually lower weight. A hybrid or dual-layer design can combine materials, but the infant side still needs to be firm.

Foam models here include Graco, Letmxiu and Hiccapop. Graco uses polyurethane foam, the Letmxiu models use memory foam or high-density foam, and Hiccapop combines memory foam with polyurethane foam.

Sealy's two models use steel coils. The Flex Cool has a 204-coil system with a cotton cover and airflow channels, while the Firm Rest uses 204 continuous steel coils with a waterproof vinyl cover.

Dream On Me, Delta Children and Serta use fiber-based cores. The Delta model adds recycled bottle content, while the Dream On Me mattresses use a 5 in fiber core.

For a different material mix, our guide explains what to look for in a hybrid crib mattress.

Is a waterproof baby crib mattress easier to clean?

Yes, but the cleaning method depends on the cover. A removable machine-washable cover gives deeper cleaning, while a vinyl or fixed waterproof cover is faster for wiping small spills.

Graco and Hiccapop have removable covers. Graco's cover needs cold delicate washing and hang drying, while Hiccapop's Jacquard cover can be machine washed and dried.

Dream On Me Honeycomb, Dream On Me Serene Snooze and both Sealy models use waterproof covers described for wiping or moisture protection. Delta Children also has a waterproof cover, but its care details are less specific here.

The Sealy Flex Cool uses a PVC-free waterproof barrier under a cotton cover. That barrier helps with leaks, while the cotton surface and airflow channels address comfort and air circulation.

A waterproof barrier protects the core from many spills, but it does not clean the surface by itself. Spots left on the cover can still hold odors and bacteria if they are not wiped or washed promptly.

For zippered covers, removing the cover for a full wash is often easier than scrubbing a large stain in place. Hang drying or the stated dryer setting should still be followed so the waterproof coating is not damaged by excess heat.

A waterproof surface does not remove the need for a fitted sheet and regular checks. Keep the mattress flat, clean the cover according to its instructions and replace bedding after accidents.

For more options focused on moisture protection, see best waterproof crib mattress.

Do you need a double-sided crib mattress?

A double-sided crib mattress can be useful if you want one infant side and one toddler side, but it is not required for every family. A single firm surface may be the simpler choice if you plan to replace the mattress during the toddler years.

Sealy Flex Cool, Sealy Firm Rest, both Dream On Me mattresses, Delta Children and Hiccapop all use dual-stage or dual-sided designs. Their infant and toddler sides are described differently, so follow the product's orientation guidance.

Do not flip a mattress for an infant unless the correct firm infant side is facing up. A softer toddler side belongs on top only when the child is ready for that stage.

The main benefit is longevity. One mattress can cover the crib stage and the later toddler-bed stage without a second purchase, provided the fit and firmness remain appropriate at each stage.

Flipping also spreads wear between the two surfaces. That can help keep the sleep surface feeling fresher, especially when one side has been used nightly for many months.

There are trade-offs to consider before choosing this style. Two firmness levels mean you must remember which side is correct, and a softer toddler side still needs to match your child's current stage.

Some families prefer a single firm mattress for simplicity. That approach avoids any chance of placing the softer surface under a newborn by mistake.

Our guide to best double-sided crib mattress compares this style in more detail.

When comparing models, check how each brand describes the two sides. Some use terms such as extra-firm, firm or softer, and those labels are not identical across brands.

Also check thickness and cover care for each side. A dual-sided mattress with a wipe-clean cover on both faces will need different care from a model with a removable washable cover.

In short, a double-sided design suits families who want one mattress to last through two stages. A single firm surface suits families who prefer a simpler setup or plan to upgrade later.

How do you check crib mattress fit?

Check the mattress length, width and thickness against the crib's usable interior, then look around every edge for gaps. The mattress should sit flat and fit snugly without spaces where a baby could become trapped.

The products here range from 4.5 in to 6 in thick. Widths include 27.3, 27.5, 27.6 and 28 in, so the phrase “standard crib mattress” does not mean every model has identical measurements.

Measure the crib before ordering, especially when choosing a thicker mattress such as the 6 in Hiccapop. Also check the mattress after adding a fitted sheet because the sheet should stay tight and smooth.

A mattress in a box may need expansion time. Graco needs up to 48 hours, while the Letmxiu models call for 3 to 5 days before normal use.

You can also compare compressed models in best crib mattress in a box.

  • Best Moonlight Slumber Crib Mattresses

Which crib mattress should you choose?

Choose the Graco Premium Foam if you want the strongest mix of firm foam, waterproof protection, washable cover and stated certifications. Pick Sealy Flex Cool for coil support and a cotton cover, or Dream On Me Serene Snooze for an extra-firm infant side with a toddler side.

Choose Letmxiu for firm foam and a soft knitted surface, Delta Children for recycled fiber content, and Hiccapop for a thicker dual-sided foam design. If you prefer traditional coils with a wipe-clean cover, Sealy Firm Rest remains a practical fit.

The right choice depends on how you will use the mattress day to day. Families who expect frequent spills may value a removable washable cover, while families who prefer quick spot cleaning may be happier with vinyl.

Construction is another dividing line. Foam models are lighter and simpler, coil models offer traditional structured support, and fiber models provide firm support with a different feel and usually lower weight.

Fit should be checked before any of these considerations. Measure the crib interior in length, width and depth, then confirm the mattress sits flat with no gaps around the edges.

Thickness also matters once a fitted sheet is in place. Thicker models such as the 6 in Hiccapop leave less room inside the crib, so rail height and sheet tension should be checked after setup.

Delivery timing can matter for compressed models. Graco needs up to 48 hours to expand, while the Letmxiu models call for 3 to 5 days before normal use.

Check the exact crib measurements before ordering, then choose the cover care method you'll actually use. For another brand comparison, see Delta crib mattress options.

Our top 3 picks at a glance

  1. 1 Graco Premium Foam Baby Crib & Toddler
    Best for low-effort cleanup

    Graco Premium Foam Baby Crib & Toddler

    9.7/10 our score

    See it on Amazon
  2. 2 Sealy Baby Flex Cool 2 Stage Crib
    Best for coil support

    Sealy Baby Flex Cool 2 Stage Crib

    9.6/10 our score

    See it on Amazon
  3. 3 Letmxiu Premium Crib & Toddler Mattress
    Best for a soft knitted cover

    Letmxiu Premium Crib & Toddler Mattress

    9.6/10 our score

    See it on Amazon

Frequently asked questions

What is the best crib mattress for a baby?

The best crib mattress for a baby is firm, fits the crib without gaps, and is easy to keep clean. Graco is the strongest overall pick here because it combines a firm foam core, waterproof sleep surface, washable cover and several stated certifications.

Always measure the crib before buying.

Should a baby crib mattress be firm or soft?

A baby crib mattress should be firm rather than soft. The picks here use firm or extra-firm infant surfaces, while dual-sided models add a softer toddler side for later use.

Do not use a soft surface for an infant, and follow current safe-sleep guidance from your pediatrician.

What size mattress fits a standard crib?

Most full-size crib mattresses in this guide measure about 52 x 28 in, but widths and thicknesses vary. Graco is 52 x 27.6 x 4.5 in, while Hiccapop is 52 x 27.5 x 6 in.

Measure the crib and check for gaps before use.

Are waterproof crib mattresses worth it?

A waterproof crib mattress or cover can make cleanup easier after leaks, spills and diaper accidents. Graco, Sealy, Dream On Me, Delta Children and Hiccapop include waterproof protection in different forms.

Check whether the cover wipes clean or comes off for machine washing.