Petit Piao Underwear
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Find Petit Piao underwear for kids and babies in soft qualities that feel gentle close to the skin. Simple everyday basics with a focus on fit, comfort and freedom of movement, whether the day calls for play, quiet moments or plenty of layers.
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Petit Piao Underwear
Petit Piao underwear is for you if you are looking for soft basics for babies and children that feel comfortable right next to the body. Here you will find underwear from Petit Piao that fits easily into everyday life, where comfort, fit and materials all matter. Underwear is something children wear for many hours every day, so it should feel comfortable from morning until bedtime – under clothes at daycare, preschool and school, or as light, relaxed clothing at home.
When choosing underwear, three things often make the biggest difference:
Petit Piao underwear is a good choice if you want to build a wardrobe with simple styles that are easy to use again and again. If you are also looking for more styles from the same brand, you can continue to Petit Piao.
Good underwear should, first and foremost, simply work. It should not feel tight, bother the child or need adjusting during the day. This is especially important when children are playing, sitting on the floor, running around or wearing several layers of clothing. Petit Piao underwear fits well into a practical kids’ wardrobe because it is the kind of base layer you quickly reach for again and again – and wash again and again.
For the youngest children, it is often about softness and a fit that feels comfortable underneath the rest of their clothes. For older children, it is often important that the underwear stays nicely in place and does not ride up or feel irritating under trousers, leggings or dresses. That is why underwear is a key part of many children’s basic wardrobe, just like socks and nightwear.
If you need individual everyday pieces, you can also find undershirts and underpants in related categories.
When choosing underwear for children, the material is often one of the first things worth considering. That makes sense, as underwear sits directly against the skin and is worn for many hours. Soft materials are usually the easiest choice for everyday use because they feel pleasant and allow the child to move freely without being distracted by their clothes.
For many families, cotton is a natural choice for underwear because it is soft, light and easy to manage in a busy everyday routine. On cooler days, or for children who need a little extra warmth, it may also be relevant to look at wool underwear. It mostly depends on the season, the child’s needs and how the underwear will be used during the day.
The most important thing is that the underwear feels comfortable to wear, keeps its shape well and fits into a wardrobe that needs to work again and again. At House of Kids, we select categories with a focus on quality, comfort and clothing that makes sense in family life.
If you are unsure which Petit Piao underwear is the best fit, it can be helpful to start with your child’s age, everyday routine and need for layering.
For example, you can think of it like this:
If your child tends to get warm quickly, light and soft underwear will often be enough as a base layer. In the colder months, on the other hand, it can be useful to think in layers, so the child can easily adjust to changing temperatures throughout the day.
Petit Piao underwear works well as the calm inner layer that the rest of the wardrobe is built around. It can be worn under everyday clothes, under nightwear on cool nights or as an extra layer when the weather changes. That is exactly why many parents choose underwear that is easy to make work with the other clothes in the wardrobe.
If you are putting together a small and useful basics wardrobe, the underwear can easily be combined with soft leggings or other simple layers that allow the child to move comfortably. This makes it easier to dress your child practically without compromising on comfort.
Petit Piao underwear is a good place to start if you want to choose basics with a focus on comfort, simplicity and everyday use. It makes the wardrobe easier to manage – and often more comfortable for the child to wear.
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.
| 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 |
| 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.
Example: If the foot measures 15.0 cm, choose a shoe with an inner length of approx. 16.5 cm.
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.



















