Best Mattresses for Kids (2026): Saatva, Birch, Helix, and More

Many kids’ mattresses have firmer sleep surfaces for younger children and specific features like flippable designs, waterproof and stain-resistant covers, or reinforced edges that stand up to roughhousing. Kids’ mattresses also typically have a lower profile, which makes it easier and safer for kids to get in and out of bed.

They’re also available in smaller sizes, most commonly twin and full, which are typical for kids’ bedrooms and smaller bed frames. A full-size mattress can make sense for a child who needs more room but still benefits from the features mentioned above. Once your child reaches their teen years or no longer needs these features, an adult mattress may make more sense.

You’ll probably come across several mattress certifications while shopping. Here’s what the most common ones mean:

• CertiPur-US applies to polyurethane foam and verifies that the foam has been independently tested for emissions, durability, and certain chemicals, including formaldehyde and specific flame retardants.
• GreenGuard Gold certifies that a mattress has been tested for low chemical emissions, known as volatile organic compounds (VOCs), which can cause irritation in the nose, eyes, throat, as well as other ailments.
• Global Organic Latex Standard (GOLS) verifies that latex is responsibly sourced and processed according to environmental and production standards.
• Global Organic Textile Standard (GOTS) certifies organic textile materials like cotton and wool. It ensures the materials meet strict environmental and manufacturing standards, with no VOC emissions or off-gassing.

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• Materials: Kids’ mattresses use many of the same materials as adult mattresses. You’ll commonly see memory foam for cushioning, higher-density foam for support, latex for a responsive, bouncy feel, and steel coils for extra support, airflow, and edge support. You’ll also see materials like Tencel, which is a plant-based fiber often used in mattress covers because it’s soft and breathable. Cotton and wool are often found in natural or organic mattresses. When researching mattresses, you might also see materials described with the brand’s proprietary names, whether it's gel-infused memory foam or a stain-resistant treatment. When shopping for and comparing mattresses, look past the marketing name to see what the material actually is and what purpose it serves.
• Firmness: There’s not much strong research or official medical guidance on mattress firmness for children. However, the American Academy of Pediatrics does specify that infants should sleep on a firm, flat mattress to reduce the risk of sudden unexpected infant death (SUID). When it comes time to transition out of the crib and into a “big kid bed,” it stands to reason that a firmer mattress will be more comfortable and familiar to a young child. Mattress firmness for kids of any age is ultimately a matter of preference, not a medical mandate, but we recommend consulting your child's pediatrician for additional advice.
• Pressure Relief: A mattress that properly supports a child's weight can help with body development and spinal alignment as they grow. It can also help prevent restless nights and lead to better sleep.
• Edge Support: This refers to how reinforced a mattress's perimeter is. As a parent who loves reading with my daughter, the last thing I want is for the mattress edge to sink in as I sit next to her. It also helps protect a child from falling out of the bed.
• Shipping, Trial, Warranty: Most online mattresses ship compressed in a box and are delivered directly to your door, and some brands offer in-home delivery and setup. A sleep trial gives you a window to test the mattress at home and return it if it isn’t a good fit. Be sure to pay attention to the fine print, though; some brands charge return or processing fees. The warranty covers manufacturing defects for a set period but typically not normal wear and tear, spills, or damage.
• What Else to Consider: Be sure the mattress fits your child’s bed frame. Also consider the height, especially if the mattress will be used on bunk beds and trundles. If you’re hoping to keep a mattress for several years, a flippable model can offer more flexibility. Also consider the practical stuff: stain-resistant and water-repellent covers can come in handy for inevitable spills or accidents.

All of the mattresses I tested for this guide were purchased online, and most were shipped vacuum-sealed in a box. Many come with sleep trials so you can test them at home and return them if they don’t work for you.

Buying online often makes it easier to compare prices, materials, and certifications without driving from store to store. That said, shopping in person lets you get a sense of a mattress’s firmness before committing.

My almost 2-year-old daughter tested each mattress in her own bedroom over several months, sleeping on them in the same Simply Sori Montessori twin bed frame. Because toddlers don’t provide detailed feedback on things like lumbar support and motion transfer, I took a more observational approach by paying attention to how well she seemed to sleep and how easily she could climb into bed.

I also tested each mattress from a parent’s perspective by sitting on the edges, climbing into the beds for nighttime cuddles, and monitoring things like how easy it was to set up, whether my daughter seemed hot while sleeping/after waking up, how supportive it felt, and how the mattress held up to normal toddler behavior. I also considered each mattress’s construction, materials, and price.

I narrowed down the mattresses by focusing on models designed and marketed for children rather than smaller versions of adult mattresses. I wanted to test a range of price points and constructions, as well as explore features relevant for kids, like flippable designs, stain resistance, and lower heights.