three infants sitting on blankets wearing onesies

When Do Babies Stop Wearing One Pieces? A Helpful Guide for Parents

By: Brooke Hamilton

|

When youโ€™re in the thick of the newborn phase, there is one clothing staple that you and your baby simply canโ€™t live withoutโ€”one pieces. Also known as bodysuits, these one-pieces are essential for baby boys and girls alike, beyond the newborn stage.


But this begs the question: When do babies stop wearing one pieces?


While it varies for every child, most babies transition out of bodysuits between 12 and 24 months. Since babies grow quickly during this period, weโ€™re here to help you figure out if your little one is ready to venture into more toddler-friendly clothing options.

Why Do Babies Wear One Pieces?

Thereโ€™s a reason that bodysuits are on every parent-to-beโ€™s baby registry list. Actually, there are several:


  • Convenience โ€“ With snap closures at the crotch, these garments make diaper changes a breeze. And with newborn babies needing about 10-12 changes a day, every little bit of convenience helps!1


  • Comfort โ€“ Babies may be tiny, but their tummies can be pretty sensitive. Bodysuits donโ€™t have elastic waistbands, so they wonโ€™t dig into their skin. Baby one pieces are designed to keep them comfy as they wriggle around, ensuring maximum comfort throughout the day. This is especially useful as they transition out of a swaddle.


  • Security โ€“ The snug fit helps keep diapers in place, reducing leaks and minimizing messy blowouts.

infant wearing peplum bummie with horses themed print and red headband

Factors That Affect When to Stop Using Bodysuits

Parents often start adding other clothing options to their babyโ€™s wardrobe around one to two years old. But with such a wide range, how do you know when to stop buying bodysuits?


Here are a few key signs to help you decide when itโ€™s time to phase them out:


  • Babyโ€™s development โ€“ As babies grow, their torsos also begin to extend, and some outgrow one piece outfits quickly. In addition, when little ones start crawling and walking, many parents opt for two-piece and separate outfits for better comfort and easier diaper changes.


  • Potty training considerations โ€“ Many toddlers start potty training between 18 and 24 months. As bathroom trips multiply, those tiny bodysuit snaps quickly turn from convenient to cumbersome.


  • Changing seasons โ€“ In colder months, baby bodysuits are ideal as a base layer for warmth. But in warmer weather, t-shirts may offer a more breathable, comfortable option.


  • Personal preference โ€“ Ultimately, the choice is yours. Some parents love the comfort and fit of bodysuits and buy them as long as theyโ€™re available, while others switch to shirts, dresses, or rompers earlier for more variety.

girl wearing pajama set with berries and leaves print theme

Alternatives to Bodysuits for Growing Babies

When you're ready to explore the exciting world of baby clothing styles, the options are endless. There are plenty of adorable outfits perfect to dress your baby for sleep.

Two-Piece Sets

You can introduce two-piece sets at any age. While you may already have a few in your babyโ€™s closet before fully transitioning away from bodysuits, their collection will definitely grow as they get older. Here are a few two-piece outfit ideas we love:


  • Peplum Bummie Setย  โ€“ A loose-fitting, sleeveless top paired with comfy bummie bottomsโ€”what could be cozier (or cuter)? This set is also perfect for mixing and matching with other tops and bottoms!


Pajamas

There are so many fun baby pajamas to try once you ditch the bodysuits (or even while those one-pieces are still in play):


  • Footed pajamasย  โ€“ To have the footie pajamas or not? With this thoughtfully designed one-piece, you donโ€™t have to choose! It features convertible mittens and footies, so you can decide whether to wrap up those delicate toes or let them breathe.


  • Nightgownย  โ€“ Once your little one is up and walking, theyโ€™ll love the freedom of a flannelette nightgown. Crafted with a cozy blend of cotton and flame-resistant fibers, itย  keeps your baby warm all night while coming in a variety of fun patterns to match their unique style and personality.


  • Pajamas setย  โ€“ If your little one is potty-trained or you simply enjoy the easy on-easy off of two-piece jammies, this set will quickly become a favorite for both of you. The long-sleeve, button-down collared top and relaxed-fit pants are not only comfyโ€”theyโ€™ll also have them ready for bed in style.

Explore a Wardrobe Beyond Bodysuits with Posh Peanut

We appreciate bodysuits as much as the next parent. At Posh Peanut, we proudly offer several long and short-sleeve bodysuits for babies and toddlers of all sizesโ€”but we donโ€™t stop there. We also offer cozy, softย crib sheets, ensuring comfort beyond just their clothing. We believe that children deserve stylish and comfortable clothes and bedding at any age.


Our collection includes chic pieces like baby rompers, dresses, swimwear, and more. Plus, most of our styles are made with our signature viscose from bamboo fabric, making them perfect for all seasons and designed to stretch and grow with your little one.


From babyhood to toddlerhood and beyond, shop Posh Peanut.

infant girl wearing floral print long sleeve onesie with floral print