Baby Onesies: Real Necessity of Every Baby’s Wardrobe

3 baby onesies

From the very first day of life, a little man needs clothes. Of course, any reasonable parent seeks to choose the most convenient and absolutely safe things for the baby. Nowadays, most moms and dads prefer to buy baby onesies for newborns. Let’s find out more about this item of baby clothes in the article.

Why Are Baby Onesies So Popular?

Baby onesies are one of the most comfortable things for young children. These clothes have replaced the undershirts, inconvenient for parents and for newborns. Traditional undershirts are good only when the baby is swaddled and quietly lying. But modern kids love “freedom” from the first days of life, to activize, move hands and feet, and explore the world around them. In this case, baby onesies come to rescue, because they gently fit the body, do not slip at any activity, do not press anywhere and do not restrict the movement of the child.

The range of baby onesies for newborn girls and boys allows you to choose the ideal option for a child for any season and age: models with long and short sleeves, buttons or zippers, monochromatic and colored, and many others.

Features of Baby Onesies

The main and most important advantages of baby onesies over other clothing for newborns are reliable fixation on the body and ease of dressing and undressing a child. Buttons or ties firmly hold the onsie on the body and are located in such a way that they do not rub the skin of a baby with the most active movements.

baby onesies. baby onesie with sleeves

Thanks to the unbuttoned bottom, the front part or the shoulders, the thing is easy to put on and take off without inconvenience and discomfort for the kid. You can change the diaper when the baby is wearing an onesie in a matter of seconds. Just unzip the fasteners without removing the onesie completely.

Why Is Onesie a Necessity in a Baby’s Wardrobe?

It is simply impossible to imagine more comfortable clothes for a child’s of 6–12 months!

  • Unlike other clothes baby onesies do not lift up, exposing the back, waist or tummy.
  • Some onesies have closed sleeves. It is very convenient and you may not worry that the child will accidentally scratch himself.
  • It can be worn as underwear, used instead of pajamas for sleep and combined with other clothes (pants, tights, shorts).

Baby onesies are very comfortable and can replace several other clothes. What’s more, they are suitable for everyday wear, literally for all occasions.

Manufacturers produce many models of baby onesies with different types of fasteners, located in a certain part of the item. How the thing is put on the child depends on this feature. In any case, putting an onesie on a baby is much easier than ordinary clothes, suits and overalls, which is a huge plus. As you know, kids are not very fond of the process of dressing up, which sometimes turns into a real torture for mom. Thus, the simpler and faster the thing is put on the child, the better.

How to Choose A Baby Onesie

Baby onesie is a product that is worn on a naked body. Thus, the most serious demands are made on its quality. How to choose the best onesie for a newborn?

  • Manufacturer

Go for proven companies. Famous brands value their reputation, use only natural, hypoallergenic materials and strictly control the quality at all stages of production.

Baby onesies. Long Sleeve Onesies

  • Material

Buy baby onesies only made of natural materials – cotton or wool. Cotton onesies are ideal for hot summer. But models from natural wool (most often merino wool) can be called universal, all-season: they will be warm, cozy and hygienic in winter, both in the off-season and on cool summer days. In addition, only Merino wool has a thermostatic effect – the most important option for young children, in whom the physiological processes that ensure the constancy of body temperature are still imperfect. “Smart” things react to changes in the intensity of heat production and heat transfer, blocking warm air or passing it through the material, evaporating moisture and keeping the skin dry.

  • Fasteners

Buttons and zippers must have a flat shape and external fastening. Contact of accessories with the body is unacceptable. As for the type of fasteners, buttons and zippers are somewhat more convenient: they speed up the process of dressing the baby.

  • Seam quality

All seams should be flat, external. To understand whether the seam will macerate the skin, you should study the product from the inside. The quality of the seams themselves is also important – irregularities, sticking scraps of material and threads, which can turn into holes during the first wash, are unacceptable.

Baby onesies. short sleeve onesies

  • The length of the sleeve

In the wardrobe of the newborn should be models with short and long sleeves, regardless of the time the baby was born. Sleeveless products are good for summer. Baby onesies with long sleeves are often used instead of sweaters (at home, and on a walk).

  • The size

Baby onesies should fit in size, otherwise, there can be no talk of any reliable fixation on the body. But children of the first year of life are growing rapidly, so buying a lot of onesies in one size range is not worth it.

How to Determine the Right Size?

During the years of popularization of this product, it was believed that you should buy clothes of a bigger size, so that there is a place for the diaper. Until now, some sellers still advise taking larger clothes for boys. But, in fact, you should focus only on the parameters of your child, and the place for the diaper is already taken into account by the manufacturer.

Baby onesies. boy onesies

Let’s have a closer look on the parameters, which are indicated on the labels and packages.

  • 0-1, 3-6, 6-9 and so on. These ranges of numbers mean age in months. Baby onesies of European brands can be labeled with the inscription “newborn”, denoting a product for newborns. Parents of babies born prematurely should remember the phrase “tiny baby” – clothes with this labeling are suitable for children who were born prematurely.
  • 50–56; 68–74 and so on. These numbers indicate the child’s height in centimeters. You can measure the height of the child by yourself, or you can find it out at the pediatrician during the monthly check out.
  • 56–36; 56–40 and so on. In this marking, the first number indicates height, and the second – chest girth.


So, we have already noted that it is not worth buying clothes of bigger sizes. Even if other clothes are provided on top, the disproportionate onesie will hang on the body, gather in a fold somewhere and cause discomfort. For babies under six months, 3-4 baby onesies in each size range are enough, but for older children there should be more items. With the introduction of complementary foods and increased activity of the child the flow of all things increases as well. You will need at least 7 baby onesies with short and 3-4 items with long sleeves. But don’t forget to take into account seasons of the year.

Baby onesies. girl onesies

Do not go for the brightest and the most fascinating baby onesies. There is no practicality in such clothes. They are inconvenient for the child, difficult to care for and to some extent dangerous: the baby can tear off decorative ornaments and accidentally swallow them. If you have such baby onesies, leave them for a photo shoot.

Let’s sum up. Baby onesies are indispensable the and probably the most popular clothing item in the wardrobe of a small child up to a year, which is a substitute for underwear, clothes for sleep and an ideal option for permanent wear. An onesie of 100 percent merino wool is also universal – they can be worn at any time of the year. This piece of clothing can become the most useful item in the wardrobe of your child. But be careful and make sure to choose the right one.

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