5 Best Full Size Mattresses for Kids: Comfort & Support for Growing Sleepers

Choosing the right mattress for your child is a big decision, especially as they grow from a toddler bed to something more permanent. A full-size mattress offers plenty of room for your child to stretch out, accommodates growth spurts, and even provides space for a parent to snuggle in for a bedtime story. It’s an investment in their comfort and good sleep habits, which are crucial for their development and overall well-being.

But with so many options out there, how do you find the best mattress for kids full size that offers the right balance of support, safety, and durability? We get it – you want peace of mind knowing your little one is sleeping soundly on a healthy and comfortable surface. That’s why we’ve rounded up five top-notch full-size mattresses specifically designed with kids in mind, highlighting what makes each one a fantastic choice for your growing sleeper. Let’s dive in!


1. EGOHOME 6 Inch Full Size Mattress for Kids, Memory Foam

EGOHOME 6 Inch Full Size Mattress for Kids, Memory Foam...

The EGOHOME 6-inch memory foam mattress is a fantastic choice for parents looking for supportive comfort and unique cooling features for their child. What truly makes this mattress stand out is its patented pressure-relief memory foam combined with a refreshing green tea gel infusion, ensuring a stable, comfortable, and cool sleep environment for your little one, regardless of the room temperature. It’s an excellent pick for kids who need consistent support and tend to get a little warm at night.

  • Key Features:

    • Pressure Relief Memory Foam: Patented material provides balanced support, absorbing and distributing body pressure to minimize stress on joints.
    • Suitable Support for Everyone and All Sleep Positions: High degree of fit with body curve, adapting to changes in sleeping posture for spinal health and blood circulation.
    • Refreshing Cool Sensation: Special bubble hole structure for good airflow and pure natural green tea gel infusion to regulate body temperature.
    • Stable and Reliable Quality: Memory foam maintains moderate softness/hardness between 4°C and 30°C.
    • Certified Safe Materials: Fiberglass-free, crafted in the USA with US-poured foam, CertiPUR-US and Oeko-Tex Standard 100 certified.
  • Pros:

    • Excellent pressure relief and spinal alignment.
    • Effective cooling features with green tea gel and breathable structure.
    • Maintains consistent comfort across varying room temperatures.
    • Made with certified safe and non-toxic materials, fiberglass-free.
    • Reduces motion transfer for undisturbed sleep.
  • Cons:

    • 6-inch thickness might be considered thin for some older or heavier kids.
    • Memory foam feel isn’t for everyone; some prefer a bouncier feel.
  • User Impressions: Parents often praise this mattress for its remarkable ability to provide relief for active kids, noting how their children wake up feeling more rested. The subtle cooling effect and consistent comfort are frequently mentioned highlights.

  • Call to Action: See it on Amazon here


2. Novilla Full Mattress, 12 Inch Full Size Memory Foam

Novilla Full Mattress, 12 Inch Full Size Memory Foam...

For a plush yet supportive sleeping experience, the Novilla 12-inch full-size memory foam mattress is a stellar option. Its multi-layer foam system, including comfort foam and an egg crate layer, is engineered for superior pressure relief and airflow. Beyond comfort, its removable and washable cover is a godsend for busy parents, ensuring a hygienic sleep surface for your child with minimal fuss. This is a great choice for those seeking a thicker, more luxurious feel.

  • Key Features:

    • CertiPUR-US Certified Ensures Healthy Sleep: 3-layer foam system (3″ comfort, 3″ egg crate, 6″ high-density support) for comfort and support.
    • Cool & Comfortable Sleep: High-quality knitted fabric cover with great breathability and enhanced air circulation.
    • Pressure Relief & Edge Support: Medium firmness, comfort foam conforms to the body, strong base provides support, reinforced edge support.
    • Removable Washable Mattress Cover: Zippered cover for easy removal and machine washing.
    • Worry-Free Purchase: 100-night trial, 10-year limited warranty, shipped in a box for easy setup.
  • Pros:

    • Thick, multi-layer design offers excellent comfort and support.
    • Washable cover makes maintenance incredibly easy and hygienic.
    • Good edge support prevents slipping and provides stability.
    • Backed by a generous 100-night trial and 10-year warranty.
    • Designed for cooler sleep, beneficial for children who overheat.
  • Cons:

    • Requires at least 72 hours to fully expand after unboxing.
    • The 12-inch height might be too tall for some bunk beds or trundle beds.
  • User Impressions: Many families appreciate the plush yet firm feel, noting how well it supports their child’s growing body. The easy-to-clean cover is a consistently praised feature, making parents’ lives much simpler.

  • Call to Action: See it on Amazon here


3. Nectar Kids Full Mattress 8” – 2-Sided Design for Growing

Nectar Kids Full Mattress 8” - 2-Sided Design for Growing...

The Nectar Kids Full Mattress is truly innovative, offering a 2-sided design that evolves with your child. This means one side provides firmer support for younger kids to promote proper spinal alignment, and as they grow, you can simply flip it to a softer, more contouring side. Paired with Nectar’s commitment to safety, a removable washable cover, and an industry-leading 365-night trial, this mattress is designed for long-term value and adaptable comfort, making it a strong contender for the best mattress for kids full size.

  • Key Features:

    • The Nectar Kids Mattress: Expertly crafted to support growth, featuring dual-side comfort that adapts to different life stages.
    • 2-Sided Design for Growing Children: Firmer side for younger children, softer cushioning side for older kids.
    • Designed with Safety in Mind: OEKO-TEX Standard 100 certified fabrics, CertiPUR-US certified foams, and 100% fiberglass-free construction.
    • Removable & Machine Washable Cover: Stain-resistant and moisture-repellent for easy maintenance.
    • 365-Night Home Trial: Industry-leading year-long trial period for complete peace of mind.
  • Pros:

    • Versatile 2-sided design extends the mattress’s usability through different growth stages.
    • Exceptional safety certifications and fiberglass-free construction.
    • Incredibly generous 365-night trial period.
    • Brand reputation for quality and comfort.
    • Easy-to-clean, stain-resistant cover.
  • Cons:

    • Potentially a higher price point compared to some other options, reflecting the brand and features.
    • 8-inch thickness might still be less than some prefer for a full-size bed.
  • User Impressions: Parents are thrilled with the adaptability of this mattress, loving that it can be adjusted as their child matures. The added peace of mind from Nectar’s safety standards and trial period is a recurring positive comment.

  • Call to Action: See it on Amazon here


4. Avenco 6 Inch Full Mattress, Medium Soft, Breathable Fabric

Avenco 6 Inch Full Mattress, Medium Soft, Breathable Fabric...

The Avenco 6-inch full mattress proves you don’t have to break the bank for quality. This mattress stands out with its Bonnell spring design, which offers excellent breathability and a medium-soft feel. It’s a fantastic “big bang for your buck” option, ideal not just for kids’ main beds, but also for bunk beds, trundle beds, or even guest rooms. The traditional spring core topped with comfort foam provides reliable support and a familiar feel for children transitioning to a larger bed.

  • Key Features:

    • Big Bang For The Buck: Affordable price with ultimate comfort, ideal for various transitional beds.
    • Breathable & Premium Bonnell Spring Design: High-quality spring design promotes air circulation, topped with two layers of comfort foam.
    • Medium Soft & Stable Support: Combines support and comfort layers for a comfortable sleeping experience suitable for all sleep positions.
    • Bed In A Box: Vacuum-sealed, compressed, rolled, and boxed for convenient delivery.
    • Avenco’s Eco-friendly Mattress: CertiPUR-US certified materials, 100-night trial, and 10-year warranty.
  • Pros:

    • Very budget-friendly without sacrificing essential comfort and support.
    • Traditional Bonnell springs offer a bouncy feel and excellent airflow.
    • Suitable for all sleeping positions.
    • CertiPUR-US certified for healthy sleep.
    • Includes a 100-night trial and 10-year warranty.
  • Cons:

    • The 6-inch profile is on the thinner side, potentially less plush than thicker options.
    • Bonnell springs may transfer more motion than memory foam for very active sleepers.
  • User Impressions: Customers often highlight the great value this mattress offers, noting its surprising comfort for the price point. It’s frequently recommended for younger children or those who prefer a traditional spring mattress feel.

  • Call to Action: See it on Amazon here


5. Novilla Full Size Mattress in a Box, 10 Inch Gel

Novilla Full Size Mattress in a Box, 10 Inch Gel...

Another strong contender from Novilla, this 10-inch gel memory foam mattress is designed with advanced cooling technology to combat trapped warmth, a common concern with memory foam. Its NanoGel memory foam and natural fiber infusion work together to regulate temperature and absorb sweat, ensuring a continuously fresh sleep. Moreover, it boasts excellent motion isolation, making it perfect for kids who move a lot or for shared sleeping spaces, offering truly undisturbed slumber.

  • Key Features:

    • Dual-layer Cooling Tech For Cooler Night Sleep: Breathable knit with temperature-regulating NanoGel memory foam and natural fiber infused foam.
    • Ergonomic Support for Pressure Relief: NanoGel memory foam adapts to spine curvature for optimal alignment and disperses body pressure.
    • Enjoy An Undisturbed Sleep With Motion Isolation: Effectively lowers motion transfer and noise for disturbance-free sleep.
    • Sweet Dreams Cradled In Reliable Comfort: Natural fiber infused foam prevents heat buildup and absorbs odors; CertiPUR-US & OEKO-TEX certified.
    • 5 Thickness Options For Diverse Sleep Needs: Available in 6/8/10/12/14 inch profiles, compatible with various bed frames.
  • Pros:

    • Superior dual-layer cooling technology helps prevent overheating.
    • Excellent motion isolation, great for active sleepers or co-sleeping.
    • Provides ergonomic support for spinal alignment and pressure relief.
    • Certified safe with CertiPUR-US & OEKO-TEX.
    • Available in multiple thickness options to suit specific needs.
  • Cons:

    • While designed for cooling, some very hot sleepers might still find gel memory foam less cool than a hybrid or innerspring.
    • Requires a full expansion period after unboxing.
  • User Impressions: Reviewers rave about the noticeable cooling effect and the effective motion isolation, which contributes to more peaceful nights. Parents find their children sleep deeper and wake up more refreshed on this mattress.

  • Call to Action: See it on Amazon here


Frequently Asked Questions about Kids Full Size Mattresses

Choosing a mattress for a growing child involves several considerations. Here are some common questions parents ask:

Q1: Why should I choose a full-size mattress for my child instead of a twin?
A: A full-size mattress (54″ x 75″) offers significantly more space than a twin (38″ x 75″). This extra room allows your child to stretch out comfortably, accommodates growth spurts, and can even fit a parent for bedtime stories or snuggles. It’s a long-term investment that your child won’t quickly outgrow, potentially saving you from buying another mattress in a few years.

Q2: What’s the ideal firmness for a child’s full-size mattress?
A: Most experts recommend a medium-firm to medium mattress for children. This firmness provides adequate support for proper spinal alignment, which is crucial for their developing bodies, while still offering enough comfort to prevent pressure points. Too soft can lead to sinking and poor posture, while too firm can be uncomfortable.

Q3: Are certifications like CertiPUR-US or OEKO-TEX important for a kid’s mattress?
A: Absolutely! These certifications indicate that the mattress materials have been tested for harmful chemicals and meet strict health and safety standards. CertiPUR-US ensures foams are made without ozone depleters, heavy metals, formaldehyde, and certain flame retardants. OEKO-TEX certifies that fabrics are free from harmful substances. Prioritizing these certifications provides peace of mind that your child is sleeping on a healthy, non-toxic surface.

Q4: How do I keep a child’s mattress clean and hygienic?
A: A waterproof mattress protector is your best friend! It guards against spills, accidents, and allergens, significantly extending the life of the mattress. For spills, spot clean immediately with a mild cleaner. If the mattress has a removable, washable cover (like some reviewed above), follow the manufacturer’s washing instructions regularly. Vacuuming the mattress surface periodically can also help remove dust and allergens.

Q5: When is the right time to transition my child to a full-size mattress?
A: The transition time varies for each child, but generally, children move from a crib to a toddler bed around ages 2-3, and then to a larger bed (like a full) between ages 5-10. Factors include their height, whether they’ve outgrown their current bed, if they’re having trouble sleeping, or if you simply want to invest in a long-term solution. A full-size bed is often a “forever bed” until they leave home!

Q6: What’s the difference between memory foam and innerspring mattresses for kids?
A: Memory foam mattresses, like most of our top picks, contour to the body, offering excellent pressure relief and motion isolation. They’re great for kids who need deep comfort and support. Innerspring mattresses (or traditional spring mattresses like the Avenco) offer a bouncier feel, good airflow, and tend to be more affordable. Hybrid mattresses combine both for a balance of support, comfort, and bounce. The best mattress for kids full size often comes down to personal preference for feel and specific needs like cooling or motion isolation.

Q7: How important is edge support for a kid’s mattress?
A: Edge support is quite important, especially for kids. Good edge support means the mattress maintains its firmness around the perimeter. This prevents sagging when a child sits on the edge (e.g., to put on shoes) and maximizes the usable sleeping surface, reducing the risk of rolling off. It also contributes to the overall durability of the mattress.


Final Thoughts

Finding the best mattress for kids full size doesn’t have to be a daunting task. By focusing on factors like support, safety certifications, cooling features, and ease of maintenance, you can confidently choose a mattress that will serve your child well for years to come. Whether you opt for the innovative 2-sided design of Nectar, the cooling power of Novilla’s gel memory foam, the budget-friendly springs of Avenco, or the stable comfort of EGOHOME, each of these mattresses offers unique benefits tailored to growing sleepers.

Remember, a good night’s sleep is fundamental to a child’s health and happiness. Investing in a high-quality full-size mattress is one of the best ways to ensure they get the rest they need to thrive. Sweet dreams!