
Newton Baby
Newton Baby Mini Crib Mattress
Breathable Wovenaire sized for the Galileo mini crib
Material
Wovenaire® core (3") + soft eyelet removable cover
Age Range
Infant to Toddler
Trial Period
100 nights
Warranty
Limited lifetime
Free shipping
Our Ratings
Our Review
A 3-inch mini-crib version of the Wovenaire core, cut to fit the Newton Galileo Mini Crib and most standard mini cribs. It is not rated for play yards. For apartment nurseries and shared bedrooms, this is the only mainstream way to get a fully breathable, washable mini crib mattress.
What We Love
- Fully breathable and washable in a mini crib size
- Fits the Galileo Mini Crib exactly
- Lightest Newton to lift and wash
- Lowest entry price in the lineup
Room for Improvement
- Not for use in play yards or pack-n-plays
- 3-inch profile is the thinnest option
- Not waterproof
Best For
Customer Reviews
Finally a breathable mini mattress
Almost nobody makes a good mini crib mattress. This fit our Galileo perfectly with no gaps.
How We Tested the Newton Baby Mini Crib Mattress
Every mattress we review goes through our rigorous, multi-step evaluation process. Here's exactly how we arrived at our scores for the Newton Baby Newton Baby Mini Crib Mattress.
Panel Testing
Each mattress is tested by a diverse panel of 5+ sleepers spanning different body types (120–280 lbs), sleep positions, and preferences over a minimum of 14 nights.
Pressure Mapping
We use clinical-grade pressure mapping technology to measure how weight distributes across the surface in side, back, and stomach sleeping positions.
Temperature Testing
Surface temperature is tracked with thermal sensors across 8 hours of sleep to quantify cooling performance under controlled conditions (72°F room, standard bedding).
Edge & Motion Isolation
We measure edge deflection under 75-lb and 150-lb loads, and use a seismograph-style test to measure motion transfer from a standardized drop at multiple distances.
Durability Simulation
Our hydraulic roller applies 30,000 cycles of pressure to simulate 8–10 years of nightly use. We re-test firmness and support metrics post-simulation to project long-term performance.
Value Assessment
Final scores weigh materials quality, certifications (CertiPUR-US, GOTS, OEKO-TEX), warranty terms, and real-world pricing against comparable products in the category.
Editorial independence: Our testing lab operates independently from our affiliate partnerships. Brands cannot pay for higher scores or influence our methodology. Read our full editorial policy and detailed testing methodology.


