
Newton Baby
The Newton Waterproof Crib Mattress (model 9991001WHT) is a 5.5‑inch thick, 14‑lb standard‑size crib mattress featuring a 90% air Wovenaire® core, dual‑layer breathable cover with waterproofing on the toddler side, and a 2‑stage design that supports infants to toddlers up to 100 lb.
Pros
Current
$332.49
Average
$341.84
Lowest
$265.99
Highest
$349.99
Lower = better sales rank
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Cons
From Expert Reviews
Praised by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Professional reviewers praise the Newton Waterproof Crib Mattress for its innovative two‑stage firmness that meets AAP guidelines, its 90% air core that delivers exceptional breathability, and its fully washable construction. Editors also highlight the GREENGUARD Gold certification and the absence of harmful chemicals, positioning the mattress as a safe, hygienic, and long‑lasting solution for newborns through toddlers.
What Users Say
Everyday users commonly commend the mattress for keeping babies cool thanks to its high airflow, appreciating the ease of washing the entire mattress, and noting the firm support that improves sleep. The main frustrations revolve around its weight and bulk, which make relocation harder, and the lack of a flip‑side softer surface.
Common Complaints
Users frequently mention the mattress's heaviness and thick profile as challenges for moving it, and some wish for a softer flip‑side option for older toddlers.
How It Compares
vs. Newton Original (model 1000)
Advantages
Disadvantages
Choose the Original if you prioritize pure breathability and have a dry‑sleep environment; choose the Waterproof for added spill protection.
vs. Newton Essential (model 1300)
Advantages
Disadvantages
Select the Essential for a slimmer, more affordable mattress when waterproofing isn’t essential; select the Waterproof for longer use and added spill resistance.