Sleep · Last checked Sep 30, 2026
Newton Baby Original Crib Mattress
Verdict
Testers' top pick: a core that's mostly air, fully washable, and very breathable. It isn't organic, but it skips polyurethane foam and flame-retardant chemicals.
~10 lbWashable coreGREENGUARD GoldSingle firmness
What parents and testers say
Recurring praise
- Extremely breathable
- Light and easy to lift
- Whole core can be washed
Recurring complaints
- Core is a food-grade polymer, not natural or organic
- No softer toddler side
Our summary of patterns across the reviews and threads linked below. Not quotes.
Materials & safety check
✓EmissionsGREENGUARD Gold certified
✓Flame retardantsNo chemical flame retardants
✓FoamNo polyurethane foam
✓RecallsNone found in CPSC crib recalls since 2019
When to buy it
Registry
Add it early so it arrives before the third trimester ends
By 36 weeks
Set it up and wash anything fabric
Months 4–6
Plan the next stage: crib, sleep sack or bigger size
Consider instead: Lullaby Earth Breeze for a similar design with a 2-stage feel.
Sources
Spot something wrong or out of date? Email hello@cradlescore.com and we'll recheck it.