The right crib mattress supports safe sleep from the first night through potty training. HALO's baby mattresses are GREENGUARD Gold certified, fully washable, and fit any standard crib or toddler bed — and pair perfectly with our crib sheets and mattress covers.
A safe baby mattress should be firm with minimal give. Unlike adult mattresses, a crib mattress should not contour or sink — a firm, flat surface is the foundation of safe infant sleep, as recommended by the American Academy of Pediatrics.
Breathability
Airflow through the mattress surface and core reduces heat buildup during sleep. Traditional foam and innerspring crib mattresses trap heat. A mattress with an open-strand core and breathable mesh cover promotes airflow even when a baby's face is in close contact with the surface.
Washability
Babies are messy. A crib mattress with a machine-washable cover and a rinse-clean core makes cleanup fast and keeps the sleep environment hygienic from newborn through the toddler years. See our mattress covers for added protection (+ less laundry)
Certifications and Materials
Look for GREENGUARD Gold certification, which verifies that a mattress meets strict chemical emission standards — important in a crib where babies can sleep up to 16 hours a day. Hypoallergenic materials reduce exposure to common irritants. Learn more about HALO's safe sleep mission.
Standard Crib Mattress Size
A standard crib mattress measures 52" × 28" and fits all full-size cribs sold in the U.S. The same size also fits most convertible toddler beds, so one mattress carries your child from infancy through the toddler years without buying a second one.
It depends on the mattress. HALO's DreamWeave™ has a zip-off quilted cover that's machine washable on a cold, gentle cycle. The polymer core rinses clean in a tub or shower and air-dries. Most traditional foam mattresses can only be spot-cleaned, making a fully washable design a significant practical advantage.
GREENGUARD Gold certification means the product has been tested and verified to meet strict chemical emission limits — the most rigorous standard for products used in spaces where babies spend extended time. It's one of the most important credentials to look for in any crib mattress.
Breathable crib mattresses allow airflow through the surface and core, which can reduce heat buildup and CO₂ rebreathing if a baby's face comes into contact with the mattress. The AAP recommends placing babies on their backs on a firm, flat surface, and a breathable mattress supports that recommendation.
Yes — a standard crib mattress fits most toddler beds. HALO's DreamWeave™ is dual-sided: the infant side is fully breathable, while the toddler side adds a waterproof barrier for potty training, making it a baby mattress and toddler mattress in one.
A standard crib mattress measures 52 inches long by 28 inches wide and is typically 4–6 inches thick. This size fits all full-size cribs sold in the U.S. and most convertible toddler beds. HALO's crib mattresses are 52" × 28" × 4.5".
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