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The New Siblings Bodysuit

Find The New Siblings bodysuits for newborns and babies, made to be worn again and again. Simple colours, soft cotton and practical details make everyday dressing easier through washing, diaper changes and layering.

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TNSBNicole summer suitTNSBNicole summer suit
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The New Siblings Bodysuit

The New Siblings bodysuits for newborns and babies, made for frequent wear and washing

A The New Siblings bodysuit is a great choice if you are looking for simple, functional baby clothing for everyday life with many diaper changes, frequent washing and a baby who grows quickly. Here you will find the brand’s bodysuits for newborns and babies in sizes such as 50/56, 62/68, 74/80 and 86/92, and in calm, unisex colours such as white, grey, black, mustard and mint.

What makes The New Siblings special is its simple approach to babywear. The focus is not on decoration and changing prints, but on a good basic layer that works in everyday life. When choosing, it is especially worth considering three things: whether you want a little room to grow, whether you prefer long sleeves or short sleeves, and whether you need a baby bodysuit that can handle washing at higher temperatures without quickly losing its shape.

For the smallest babies, a bodysuit is often one of the pieces worn from morning to evening, both on its own and underneath other clothes. If you are putting together the first layers for your baby, you can find more everyday basics in bodysuits and summer rompers and explore more from the brand in The New Siblings.

What makes a The New Siblings bodysuit more durable than many other baby bodysuits?

If you want to avoid bodysuits that quickly twist out of shape, lose their form around the poppers or wear thin at the crotch, this is where The New Siblings makes a difference. The brand’s bodysuits are made as durable everyday basics with extra focus on the areas that typically take the most strain during the day.

This especially includes:

  • reinforced seams at the shoulder and crotch
  • double-layer panels around the shoulder area
  • a longer, overlapping two-step popper closure that helps reduce the risk of tearing when the legs are pulled

You notice it in everyday life when your baby kicks during diaper changes, when the bodysuit is opened and closed many times a day, and when it goes through the washing machine again and again. The New Siblings creates functional baby clothing where the bodysuit is designed for the life it is actually used in. That also makes it an obvious choice if you want durable basics that can be worn a lot and perhaps passed on to the next child.

How to choose the right size in The New Siblings bodysuits

Size is often one of the things parents are most unsure about when buying a bodysuit for a baby. The New Siblings works with a fit where a little extra room for growth is built into the sizing. This means the styles may feel more spacious than some standard bodysuits, which is good to know in advance.

As a rule of thumb, you can use this guide:

  • 50/56 for newborns and the first weeks or months
  • 62/68 for the small baby who is growing quickly
  • 74/80 for the more active baby who is starting to sit and move more
  • 86/92 for the older baby or toddler

For 0-3 months, many parents prefer a style that sits nicely without feeling tight, while still leaving a little room to grow. From 3-9 months, it often becomes more important that the bodysuit works well through many lifts, turns and diaper changes during the day. For 9-18 months, it can be especially useful to look for a reinforced crotch area, because clothing is exposed to more wear when the child starts crawling and moving around more.

If you are between two sizes, it is often better to look at your child’s length and how long you would like the bodysuit to be worn, rather than choosing by age alone. A newborn bodysuit can easily have a little extra room, so it does not become too small almost immediately.

Material, washing and skin-friendly comfort in everyday life

The New Siblings bodysuits are typically made from 95% OEKO-TEX certified cotton single jersey. This is a material many parents choose when clothing needs to feel soft against the skin while also standing up to frequent washing. With a small baby, it is a real advantage when the base layer is easy to care for and does not require particularly delicate treatment to work in daily life.

If your child has sensitive skin, the certification can offer a little extra peace of mind. At the same time, the fabric is dense and comfortable, making it well suited to everyday life with spit-up, dribble and many outfit changes. Many parents are looking for a durable bodysuit that can be washed at 60 degrees without quickly shrinking or fading, and this is one of the reasons why The New Siblings has become a popular choice among newborn essentials.

For nighttime or calm days at home, a baby bodysuit can also be worn under a sleeping bag, where a simple, well-functioning base layer makes dressing a little easier.

Simple colours and easy layers for your baby’s wardrobe

The New Siblings keeps the look simple and calm, making it easy to build a wardrobe that works well together. Solid-coloured bodysuits in light or muted shades are easy to use again and again, both on their own and with other everyday basics.

For the smallest babies, a The New Siblings bodysuit often works beautifully as the innermost layer with a pair of soft The New Siblings pants over it. On cooler days, you can easily add an extra layer on top, while short-sleeved styles are great as a base layer underneath other clothes. The simple design also makes the bodysuit an ideal gift, because it is easy to combine with the rest of the baby’s wardrobe.

If you are looking for functional baby clothing with a focus on durability, calm colours and practical details, The New Siblings bodysuits are a safe place to start. They are good basics made to be worn often and to make everyday life a little easier.

Size Guide

Find the right size for your child

Use the guide below to quickly choose the right size. The table shows the typical height and age per size. Children grow differently, and brands can vary slightly in fit - if in doubt, feel free to choose one size up.

Clothing sizes

Age Size (cm) Height (cm)
0 - 1 mo 50 45 - 50
1 - 2 mo 56 51 - 56
2 - 4 mo 62 57 - 62
4 - 6 mo 68 63 - 68
6 - 9 mo 74 69 - 74
9 - 12 mo 80 75 - 80
12 - 18 mo 86 81 - 86
18 - 24 mo 92 87 - 92
2 - 3 yrs 98 93 - 98
3 - 4 yrs 104 99 - 104
4 - 5 yrs 110 105 - 110
5 - 6 yrs 116 111 - 116
6 - 7 yrs 122 117 - 122
7 - 8 yrs 128 123 - 128
8 - 9 yrs 134 129 - 134
9 - 10 yrs 140 135 - 140
10 - 11 yrs 146 141 - 146
11 - 12 yrs 152 147 - 152
12 - 13 yrs 158 153 - 158
13 - 14 yrs 164 159 - 164
14 - 15 yrs 170 165 - 170
15 - 16 yrs 176 171 - 176

Hats and head circumference

Head circumference Age
47 cm 0 - 3 mo
49 cm 6 - 12 mo
51 cm 1 - 2 yrs
53 cm 3 - 4 yrs
55 cm 5 - 10 yrs

Children have different head circumferences - choose one size up if your child has a slightly larger head than their peers.

Shoes and growth allowance

  • Growth allowance: approx. 1.5 cm for regular shoes.
  • Growth allowance: approx. 1.0 cm for ballerina or first-walker shoes.

Example: If the foot measures 15.0 cm, choose a shoe with an inner length of approx. 16.5 cm.

Socks and tights

Socks and tights may shrink slightly in the wash - choose one size up if in doubt.

If you are unsure about the size or fit, you are always welcome to contact our customer service - we are happy to help you find the right size.

📞 +45 87 800 406 ✉️ mail@houseofkids.dk


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