10 Best Crib Mattress For Toddler 2025 in the United States

The Graco Premium Crib & Toddler Mattress is designed with your child’s safety and comfort in mind, making it a strong contender in the toddler mattress category. One of its standout features is its certification; being GREENGUARD Gold Certified and CertiPUR-US Certified ensures that the materials used are safe for indoor use, promoting cleaner air in your child's sleeping environment. Additionally, it’s safety-certified, free from fiberglass and chemical flame retardants, which adds peace of mind for parents.

The mattress is built with high-density foam, providing good firmness that supports your toddler as they grow. The dimensions of 52 x 27.6 x 4.5 inches fit standard cribs and toddler beds, making it versatile. The waterproof outer cover is a significant advantage, allowing for easy cleaning, especially with its machine-washable feature, which is a blessing for busy parents.

There are a few considerations. While many parents appreciate the firmness, some may find it a bit too firm for their liking; comfort can be subjective. The mattress also needs time to fully expand after unpacking, which may not be ideal for those needing immediate use. It’s also worth noting that the 10-year warranty is reassuring, though some users might prefer more durability in the long run.

The Naturepedic Organic Crib Mattress is designed to support babies and toddlers with a firm, breathable surface that meets safety standards recommended by pediatricians. Its 2-stage firmness makes it suitable for newborns and toddlers, providing the right support as your child grows. The mattress size fits most standard cribs, making it a practical choice for many nurseries.

Made with 100% GOTS-certified organic cotton and a patented sugarcane-based waterproof coating, it offers a non-toxic and eco-friendly option without sacrificing breathability. This means your child sleeps comfortably without exposure to harmful chemicals, and cleaning is easy with just soap and water. The lightweight construction, around 11 to 14 pounds, is a plus for parents since it’s easier to handle when changing sheets or moving the mattress.

On the downside, while the mattress has pocketed coil support, some parents might prefer a fully foam or a different coil type based on personal comfort preferences. Also, although the mattress is waterproof, it doesn’t have a vinyl layer, which is safer but may require more careful cleaning if spills occur. This mattress is an excellent choice for parents prioritizing organic materials, safety certifications, and a breathable, firm sleep environment for their baby and toddler.

The Sealy Baby Cozy Cool Hybrid Crib Mattress is designed to support infants and toddlers with a thoughtful 2-stage firmness system: one side is extra firm for babies, and the other offers a slightly softer feel for toddlers, making it a practical 'grow-with-me' option. It combines strong American-made steel coils with cooling gel foam, which enhances breathability and comfort while helping regulate temperature. The mattress is a good fit for standard US cribs and toddler beds, measuring about 52 by 28 inches and just over 5.5 inches thick, which is a typical, manageable size.

Safety is a standout feature here. The mattress is GREENGUARD GOLD certified, meaning it meets strict standards for low chemical emissions, making it safer for indoor air quality and sensitive children. It also meets ASTM and CPSIA standards and avoids harmful substances like toxic fire retardants, which adds peace of mind for parents. The all-cotton cover is breathable and natural, helping with airflow and easy to clean with simple wiping. While it’s water-resistant rather than fully waterproof, it protects well against spills and accidents. The mattress is also lightweight enough to flip or move easily, supported by a durable steel frame and reinforced edges to prevent sagging or rolling.

A potential consideration is that coil mattresses can sometimes feel firmer or less cushioned compared to full-foam options, so comfort preference is personal. Also, while it’s water-resistant, it’s not fully waterproof, so spills need prompt cleaning to avoid damage. This mattress provides strong safety credentials, good breathability, and dual firmness for growing toddlers, making it a solid choice for parents who prioritize support and certified materials in a crib mattress.