According to the CPSC, babies should be put to sleep on their backs to reduce the risk of SIDS. However, there will likely come a time when your baby will turn face down in his or her sleep. That's when having additional airflow under the baby may be helpful. This can also improve temperature regulation and reduce overheating.

Lullaby Earth breathable crib mattresses provide more airflow than traditional non-breathable crib mattresses according to independent tests. Their practical approach to breathability is effective without sacrificing hygiene.

• The breathable cover is actually a 3-dimensional structure that allows air to flow through the fabric and under the baby for 360° air circulation. Since air is able to pass freely through the fabric’s 3D structure, babies can breathe right through it!
• The breathable function is encapsulated in a washable cover that completely hugs the mattress.  This removable layer has a waterproof backing that keeps the mattress clean and protected from urine, spit-up, and other messes.  In the event of an accident, just replace with a spare cover or put the baby back to sleep on the fully functional underlying mattress.  The cover can be easily laundered at your convenience (machine wash & dry).
• In an independent test designed to measure breathability, Lullaby Earth breathable crib mattresses achieved the highest performing category, allowing a simulated baby to breathe directly through the fabric's 3D structure indefinitely.
• At Lullaby Earth, they take chemicals seriously.  Not only do they completely eliminate vinyl/PVC, polyurethane foam, antimicrobials, perfluorinated compounds, phthalates and more, they've designed mattresses to pass flammability standards without ANY flame retardants or flame barriers whatsoever.  After all, the best flame retardants are NONE AT ALL.
• When it comes to providing proper support for your baby, Lullaby Earth crib mattresses won't let you down. Their patented WaveSupport™ design conforms to Consumer Product Safety Commission (CPSC) and pediatrician firmness recommendations so your baby has the firm, flat surface needed for safer sleep. Optional 2-stage dual firmness is available with the Breeze, providing a firmer side for infants and a softer side for toddlers.
• Lullaby Earth mattresses feature patented food-grade PE waterproofing and recycled polyester fiber fill for an environmentally friendly design.  These are two of the most commonly recycled materials. They care about the environment and believe in doing everything they can to preserve it for future generations.
• Lullaby Earth knows that baby will always be most comfortable with Mom or Dad. But when you're not around, they'd like to be your next best choice.  Besides, they absolutely love the night shift!  Their mattresses are firm yet comfortable, and designed to nurture your little one into a deep and healthy sleep while keeping them safe.