Moonlight Slumber Chill Baby Crib Mattress

The Moonlight Slumber Chill Baby Crib Mattress is 6 in thick, per Moonlight Slumber. A 6 inch fiber-core mattress that the maker calls breathable, with a zip-off washable cover that has a cooling fabric side and an organic cotton side.

  • $289.99List price
  • 6 inThickness
  • FiberCore
  • Two-stageSides

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How the Chill Baby Crib Mattress stacks up

Against the 82 two-stage crib mattresses we track. The shaded band is where the middle half of them fall; the dot is this one.

Thickness6 in

Within the typical range for two-stage crib mattresses (5 in to 6 in).

This one
4 inmiddle 5.5 in6 in
Price$289.9968th lowest price of 79

Above the typical range for two-stage crib mattresses ($89.99 to $189.99).

This one
$44.99middle $129.99$799

What sets the Chill Baby Crib Mattress apart

Measured against the 82 two-stage crib mattresses we compare, from each maker's published specs.

  • No waterproofunlike most: 69 of 72 two-stage crib mattresses have it

Next to its closest matches

Fit check

Size, per the maker52 × 27.5 × 6 in
SidesTwo-stage, per the maker

Crib types on Cribpicks that take a full-size crib mattress:

Listed features

  • Zip-off machine-washable cover
  • Reversible cover with cooling side

Worth checking

  • Cover is water-resistant, not waterproof

Where to buy the Chill Baby Crib Mattress

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good to know
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
  • Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Moonlight Slumber Chill Baby Crib Mattress
TypeTwo-stage crib mattress
List price$289.99
Size52 × 27.5 × 6 in
Thickness6 in
CoreFiber: bundle fiber core, no foam, latex or springs; 2-stage infant and toddler core
Two-stageYes, infant and toddler sides
WaterproofNo
Washable coverYes
Breathable designYes, per the maker
CertificationsGREENGUARD Gold
WarrantyLifetime product warranty
Made inUSA

Compare the Chill Baby Crib Mattress with

How each closest rival differs from the Chill Baby Crib Mattress, from the makers' specs.

Ask the meadow

Chill Baby Crib Mattress: questions answered

From Moonlight Slumber's published specs, last checked 2026-11-02.

Will the Moonlight Slumber Chill Baby Crib Mattress fit my crib?

The maker lists it at 52 × 27.5 × 6 in, a full-size crib mattress. Check that the mattress size matches what your crib's maker specifies. Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.

How does a two-stage mattress like the Moonlight Slumber Chill Baby Crib Mattress work?

One side is firmer for infants and the other is softer for toddlers. Follow the maker's instructions on when to switch sides. Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.

What is the Moonlight Slumber Chill Baby Crib Mattress made of?

Bundle fiber core, no foam, latex or springs; 2-stage infant and toddler core. The maker lists GREENGUARD Gold.

Is the Moonlight Slumber Chill Baby Crib Mattress waterproof or washable?

The maker does not list it as waterproof, so a fitted waterproof protector helps. It has a removable, machine-washable cover.

What's the difference between the Moonlight Slumber Chill Baby Crib Mattress and the Babyletto Pure Core Crib Mattress with Dry Waterproof Cover (2-Stage)?

By the maker specs, the Pure Core Crib Mattress with Dry Waterproof Cover (2-Stage) lists for $40.99 less. See them side by side.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.

More two-stage crib mattresses

Where these specs come from

Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.