BREATHE-THRU SAFETY: The only crib mattress with a Wovenaire breathe-thru core. Our patented technology ensures optimal breathability, reducing the risk of suffocation and overheating. And because your baby is sleeping safe and sound, you’ll sleep better too. Measures 52" x 28" x 5.5". Core proudly made in the USA. COMPLETELY WASHABLE: A washable crib mattress designed for real life. Fully washable from the removable cover to the inner breathable core. Machine-wash the cover and rinse the core clean in the shower or bath to easily clean spills, dust and irritants for a cleaner, healthier and hypoallergenic sleep environment. BETTER, LONGER SLEEP FOR BABY: Babies sleep longer on Newton. And they sleep better too. Our crib mattress provides optimal air circulation (cooler sleep!), firm support and incredible comfort, alleviating some of the key sources of discomfort and frequent wakings. Based on independent testing. GREENGUARD GOLD CERTIFIED: Our mattress is independently tested and certified for low emissions, exceeding the highest industry safety standards to help improve indoor air quality. Your baby will breathe easy, and you can too. INFANT & TODDLER (2-STAGE): One to grow on! Our 2-stage mattress provides your little one with the comfort and firm support they need. The Newton Original Crib Mattress & Toddler Bed is the first ultra-breathable, fully washable crib mattress designed to give both parents and babies peace of mind. Featuring our patented Wovenaire core, made from safe, food-grade polymer and 90% air, babies can breathe straight through, reducing the risk of suffocation and overheating. With a plush, quilted dual-layer cover, this mattress offers the right support for both newborns and toddlers, helping with healthy musculoskeletal development and longer, better sleep. Parents love how easy it is to keep fresh: the removable cover and inner core are fully washable, helping to eliminate accidental nighttime messes. At 5.5" thick and 52" x 28", this mattress fits all standard American cribs and is GREENGUARD Gold Certified for clean indoor air. Perfectly firm yet cozy, this breathable baby crib mattress is a true nursery must-have for delivering safer, cleaner, and more restful nights from day one.