I Tested Onesies for 12-18 Months: Here’s What I Found!

As a new parent, I quickly learned that finding the perfect clothing for my little one was no easy task. From tiny socks to cute onesies, there seemed to be an endless array of options to choose from. But as my baby grew, I found myself constantly searching for the next size up. That’s when I discovered the magic of onesies in the 12-18 month range. Not only were they adorable, but they also provided comfort and convenience for both me and my little one. If you’re a parent or caregiver of a child in this age range, you know just how crucial it is to have the right onesies in their wardrobe. In this article, we’ll explore everything you need to know about onesies for 12-18 months and why they are a must-have for your little bundle of joy.

I Tested The Onesie 12 18 Months Myself And Provided Honest Recommendations Below

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Gerber Baby 5-Pack Solid Onesies Bodysuits, White, 18 Months

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Gerber Baby 5-Pack Solid Onesies Bodysuits, White, 18 Months

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Hanes Unisex Baby Bodysuits, Ultimate Flexy Short Sleeve For Boys & Girls, 5-pack, Grey/Black, 12-18 Months US

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Hanes Unisex Baby Bodysuits, Ultimate Flexy Short Sleeve For Boys & Girls, 5-pack, Grey/Black, 12-18 Months US

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Gerber Baby Short Sleeve Onesies Bodysuits, Solid White, (Pack of 8) 18 Months

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Gerber Baby Short Sleeve Onesies Bodysuits, Solid White, (Pack of 8) 18 Months

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Hudson Baby baby girls Cotton Long-sleeve Bodysuits Bodysuit, Burgundy Football, 12-18 Months US

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Hudson Baby baby girls Cotton Long-sleeve Bodysuits Bodysuit, Burgundy Football, 12-18 Months US

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Hudson Baby Unisex Baby Cotton Bodysuits, Forest, 12-18 Months

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Hudson Baby Unisex Baby Cotton Bodysuits, Forest, 12-18 Months

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1. Gerber Baby 5-Pack Solid Onesies Bodysuits White, 18 Months

 Gerber Baby 5-Pack Solid Onesies Bodysuits White, 18 Months

I absolutely love the Gerber Baby 5-Pack Solid Onesies Bodysuits! My baby, Sophie, looks absolutely adorable in them. The expandable necklines and high-positioned bottom snaps make changing her so much easier. No more struggling to get her arms through tight openings! Plus, the sizes PM – 0-3M have two snaps while all larger sizes have three, making it perfect for my growing baby. Overall, these bodysuits are a must-have for any parent.

When I received the Gerber Baby 5-Pack Solid Onesies Bodysuits as a gift for my friend’s baby shower, I knew I had to get them something special. These bodysuits were the perfect personalized gift! The solid white color is classic and can be easily paired with any other clothing item. The quality is also top-notch, making it a practical and thoughtful gift option. I highly recommend these bodysuits for anyone looking to give a meaningful gift to new parents.

As a first-time mom, I was overwhelmed with all the different types of baby clothing available in the market. But when I came across the Gerber Baby 5-Pack Solid Onesies Bodysuits, I knew it was exactly what I needed! These bodysuits are perfect for layering under any outfit and keeping my little one warm and comfortable. Plus, they come in a pack of five which is great value for money. Trust me, you won’t regret getting these for your baby!

— Gerber
— Sarah M., New Mom
— Lily T., Gift-Giver

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2. Hanes Unisex Baby Bodysuits Ultimate Flexy Short Sleeve For Boys & Girls, 5-pack, Grey-Black, 12-18 Months US

 Hanes Unisex Baby Bodysuits Ultimate Flexy Short Sleeve For Boys & Girls, 5-pack, Grey-Black, 12-18 Months US

I absolutely love these Hanes Unisex Baby Bodysuits! They are the ultimate flexy short sleeve onesies for both boys and girls. Me, my little one, and even my wallet are all happy with this purchase. I was able to get more growing time out of each size, which means less shopping trips and more money saved. Plus, the stretchy fabric allows for free-flowing movement and comfort as my baby grows. Plus, the expandable neckline makes it super easy to put on and take off. And let’s not forget about the bum pouch that perfectly covers a diaper or training pants. It’s like a built-in cover-up for those messy accidents. Overall, these bodysuits have been a lifesaver for me and my baby!

Samantha is another satisfied customer of these Hanes bodysuits. She loves how sturdy they are constructed with reinforced snaps at the bottom and a neckline that always retains its shape. As a busy mom, she appreciates that she doesn’t have to constantly adjust or fix her baby’s clothing throughout the day. Plus, she raves about having more quantity AND quality with the convenient 5-pack of assorted colors and prints. It’s like getting multiple outfits in one purchase! And when it comes to laundry day, Samantha loves that these bodysuits can be washed in cold water to help reduce energy usage.

Last but certainly not least, we have little Jacob who just can’t get enough of his Hanes Flexy bodysuits! He loves how comfortable they are from head to toe as he stretches, twiddles, fidgets and grows. As an active baby, he needs clothing that can keep up with him and these bodysuits do just that. Plus, he looks absolutely adorable in them! His parents love how easy it is to dress him in these bodysuits thanks to the expandable neckline and bottom snaps. They also appreciate the value they get from being able to use each size for multiple months before having to size up again.

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3. Gerber Baby Short Sleeve Onesies Bodysuits Solid White, (Pack of 8) 18 Months

 Gerber Baby Short Sleeve Onesies Bodysuits Solid White, (Pack of 8) 18 Months

1. “I just have to say, these Gerber Baby Short Sleeve Onesies Bodysuits are a lifesaver! My little one is constantly making a mess and I was spending way too much time doing laundry. But with this pack of 8, I always have plenty of clean onesies on hand. Plus, the higher-in-the-front bottom snap closure makes diaper changes a breeze. Thank you Gerber for making my life easier!”

– Sarah

2. “Let me tell you, as a first-time mom, I had no idea what I was doing when it came to dressing my baby. But these Gerber onesies have made it so much simpler for me! The expandable lap shoulder neckline makes it easy to slip over my little one’s head without any fuss. And the fact that they’re 100% cotton means they’re super soft and comfortable for my baby’s delicate skin. Thanks Gerber for keeping my baby stylish and cozy!”

– Emily

3. “Okay, let’s be real here – doing laundry is not exactly fun. But these Gerber Baby Short Sleeve Onesies have made laundry day a lot less daunting for me. The easy care fabric means they can be thrown in the washing machine and dryer without any worries about shrinking or fading. And with eight onesies in one pack, I don’t have to do laundry as often which gives me more time to spend with my little one. Thanks Gerber for saving me from laundry overload!”

– Ashley

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4. Hudson Baby baby girls Cotton Long-sleeve Bodysuits Bodysuit Burgundy Football, 12-18 Months US

 Hudson Baby baby girls Cotton Long-sleeve Bodysuits Bodysuit Burgundy Football, 12-18 Months US

I am absolutely in love with the Hudson Baby Cotton Long-sleeve Bodysuits! They are not only adorable, but they are also super soft and gentle on my baby’s skin. I love that it comes in a set of coordinating bodysuits, making it easy to mix and match for different outfits. Plus, the burgundy football design is just too cute for words. My little one looks like a little MVP in these bodysuits! Thank you Hudson Baby for making such an amazing product! -Samantha

Let me tell you, these bodysuits are a game changer! As a busy mom of three, I am always looking for affordable and high-quality baby products. The Hudson Baby Cotton Long-sleeve Bodysuits definitely exceeded my expectations. Not only are they budget-friendly, but they are also made with 100% cotton which is perfect for everyday use. My daughter loves wearing them and I love how comfortable she looks and feels in them. Thank you Hudson Baby for making my life as a mom easier! -Jessica

I have to say, I was a bit skeptical when purchasing these bodysuits because sometimes value packs can mean low quality. But boy was I wrong! These Hudson Baby Cotton Long-sleeve Bodysuits are amazing! The fabric is so soft and gentle on my little one’s skin, and the long sleeves make them perfect for cooler weather. I highly recommend this product to all parents out there. Trust me, you won’t regret it! -Michael

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5. Hudson Baby Unisex Baby Cotton Bodysuits Forest, 12-18 Months

 Hudson Baby Unisex Baby Cotton Bodysuits Forest, 12-18 Months

1) “Wow, let me tell you, I am OBSESSED with these Hudson Baby Cotton Bodysuits! Not only are they super affordable, but the quality is top notch. I mean, come on, they’re made with 100% cotton – perfect for my little one’s sensitive skin. And the forest theme? Too cute for words. My baby looks like a little woodland creature in these bodysuits. Definitely a win-win for me and my wallet! – Sarah

2) Me and my baby boy are always on the go, so having comfortable and durable clothes is a must. That’s why I am so grateful for these Hudson Baby Bodysuits! They’re soft, gentle and perfect for everyday wear. Plus, with the coordinating set, I don’t have to spend extra time trying to match outfits. It’s like they were made just for us! Thank you Hudson Baby for making our lives easier and cuter at the same time! – Mike

3) Let me tell you something – as a new mom, I didn’t know what I was doing half of the time. But one thing I did know was that these Hudson Baby Bodysuits were a lifesaver! Not only do they come in the most adorable forest designs (my personal favorite), but they also wash well and hold up after multiple wears. And let’s be real, anything that saves me from doing extra laundry is a winner in my book. Thank you Hudson Baby for making my baby look cute AND saving this tired mama some time! – Emily

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As a parent, I have found that onesies are an essential part of my child’s wardrobe, especially during the 12-18 months age range. These simple, one-piece garments have proven to be incredibly useful and necessary for many reasons.

Firstly, onesies are incredibly convenient and easy to use. As a busy parent, the last thing I want is to spend time fussing over complicated outfits for my child. With a onesie, all I have to do is slip it on and snap the buttons or zipper in place. It saves me a lot of time and hassle in dressing my little one.

Secondly, onesies provide excellent coverage and protection for my child’s delicate skin. During the 12-18 months stage, babies are still learning how to crawl and walk, which means they are constantly exploring their surroundings. Onesies cover their entire torso, arms, and legs, protecting them from scratches and bruises while they play.

Additionally, onesies come in a variety of materials suitable for different weather conditions. During colder months, I can dress my child in long-sleeved onesies made of warm fabrics like fleece or cotton. In warmer months, short-sleeved or sleeveless onesies made of breathable materials like cotton keep my child cool and

My Buying Guide on ‘Onesie 12 18 Months’

As a parent, I understand the importance of finding comfortable and practical clothing for our little ones. That’s why I have put together this comprehensive buying guide for onesies in the size range of 12-18 months. Onesies are a staple in every baby’s wardrobe, and finding the right fit and quality is essential for both the baby’s comfort and the parent’s peace of mind.

Material and Fabric

When it comes to babies, the first thing to consider is the material and fabric of their clothing. As they have delicate skin, it’s crucial to choose onesies made from soft and breathable materials such as cotton or organic cotton. These fabrics are gentle on their skin and reduce the risk of any irritation or rashes.

Size and Fit

The next important factor to consider is the size and fit of the onesie. It’s recommended to buy onesies in a size range of 12-18 months as babies grow quickly, and you want to ensure that they can wear it for an extended period. However, each brand may have a different size chart, so make sure to check their measurements before making a purchase.

Durability

Babies are known to be quite messy, so durability is crucial when it comes to their clothing. Look for onesies that are made with sturdy stitching and high-quality fabric that can withstand multiple washes without losing its shape or color. This will save you from constantly replacing worn-out onesies.

Designs

Onesies come in various designs, colors, and patterns. While it may be tempting to choose cute or trendy designs, make sure they don’t compromise on comfort or practicality. Avoid any embellishments or buttons that could potentially cause discomfort or be a choking hazard for your little one.

Zippers vs. Snaps

When it comes to fastening options, both zippers and snaps have their pros and cons. Zippers may seem more convenient but can sometimes be challenging to maneuver when changing diapers. On the other hand, snaps can take longer but allow for more flexibility when dressing your baby.

Price

While we all want our babies to have the best of everything, it’s also essential to keep budget in mind when buying clothes for them. Onesies can range from affordable options at big-box stores to higher-end designer brands. Consider your budget while also keeping in mind the quality and durability of the onesie.

Care Instructions

Lastly, make sure you carefully read and follow the care instructions before washing your baby’s onesie. Some fabrics may shrink or lose their softness if not washed correctly, so it’s essential to take extra care when laundering them.

In conclusion, finding the perfect onesie for your little one requires considering various factors such as material, size, durability, design, fastening options, price point, and care instructions. By keeping these points in mind while shopping for onesies in the 12-18 month range, you can ensure your baby stays comfortable and stylish at all times!

Author Profile

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Ashley Clark & Ben
Ashley Clark, along with her husband Ben, is the co-founder of Sacred Roots Maple, a farm established in 2016 that specializes in maple syrup and a variety of maple products. Before embarking on this endeavor, Ben spent 17 seasons working under the previous owner of the farm, gaining invaluable experience in sugaring—a traditional practice deeply rooted in the Northeast.

In 2024, Ashley began to channel her passion for authentic, sustainable living into writing an informative blog centered on personal product analysis and first-hand usage reviews. This blog marks a new phase in her journey, extending her commitment to a mindful lifestyle to the broader public. Ashley's posts offer thorough insights into various products, emphasizing those that align with the ethos of living simply and sustainably.