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The New Siblings Sweatpants

Discover The New Siblings sweatpants for kids – soft, easy to move in and perfect for a matching family look with colors, prints and a relaxed style that works for everyday wear and cozy moments.

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The New Siblings Sweatpants

The New Siblings sweatpants for kids that fit into a matching family look

The New Siblings sweatpants are for you if you want kids' trousers that do more than simply feel soft for everyday wear. Here, the overall look matters too. The brand focuses on matching family clothing, where colors, prints and fits are designed to work across both children and adults. That makes the sweatpants an obvious choice if you love a coordinated family look that still feels relaxed, comfortable and easy to wear.

In this category, you will typically find The New Siblings trousers for both younger and older children, often from around 2 to 10 years. What varies most is the print, the color palette and how strongly you want the matching expression to come through. Some styles stand out with graphic patterns, while others are calmer and therefore easy to use both as part of a set and in a regular everyday wardrobe.

If you are unsure which The New Siblings sweatpants to choose, it can help to start with three things: your child's age, the fit you prefer, and how much the trousers should coordinate with the rest of the family's outfits.

What makes The New Siblings sweatpants special

What makes The New Siblings sweatpants special is the brand's clear focus on family and connection. The trousers are not only designed as one separate piece in your child's wardrobe, but as a style that can be part of a larger coordinated set. Colors and prints often repeat across the collection, making it easier to dress siblings in outfits that go together – and in many cases also match with mum or dad.

If you are looking for New Siblings sweatpants for kids because you want to create a coordinated family outfit, this is exactly where the brand stands out. The prints are often playful and the colors have personality, creating a more lively expression than classic plain sweatpants. They are ideal for families who want clothing that feels fun, recognizable and easy to love.

To complete the look, you can style the trousers with a matching The New Siblings sweatshirt or explore the full selection from The New Siblings.

Fit, size and age make the choice easier

When choosing The New Siblings sweatpants, it is worth paying a little extra attention to sizing. The trousers should feel comfortable to move in all day and still work well if they are part of a matching set. The styles often feature an elastic waist, ribbed cuffs at the ankles and a fit that feels comfortable without becoming too loose. This makes them easy to wear for both younger children and older kids with busy everyday routines.

As a general guide, sizes often range from approx. 92 to 152, but it usually makes more sense to choose based on your child's height and build rather than age alone. If your child is between two sizes, or growing quickly, a little extra room can be practical – especially if the sweatpants will be worn often at preschool, school or on relaxed days at home.

You may want to consider:

  • graphic prints if you want a clear matching family look
  • more subtle patterns if the sweatpants also need to be easy to style for everyday wear
  • a size with a little growing room if your child wears sweatpants often for school, preschool or leisure time

The New Siblings sweatpants with prints and colors that bring the set together

In this category, the print is often one of the first things many people choose by. While sweatpants are often mainly about color and fit, the visual expression plays a bigger role here. It is in the patterns and color combinations that The New Siblings becomes recognizable, and this is also what creates a lovely sense of cohesion in the family wardrobe.

A bold print can be just right if the trousers are meant to be an important part of a matching set for siblings or family photos. A more understated pattern, on the other hand, often gives more freedom for everyday styling, where the sweatpants also need to work with other blouses, tops and sweaters in the wardrobe. If you would like to see more styles in the same category, you can also explore our selection of sweatpants for kids.

Materials and durability in a busy family wardrobe

The New Siblings trousers are typically made from soft cotton jersey with elastane. This creates a comfortable quality that allows children to move easily, while also helping the fabric keep its shape better after washing. That is a big advantage in a busy everyday routine, where sweatpants quickly become a favorite worn again and again. When the print is an important part of the design, it is also reassuring to choose trousers that can keep both their fit and appearance looking good over time.

The elastic waist and soft ribbed edges make them comfortable to wear throughout the day, whether your child is playing at home, spending the day at daycare or school, or relaxing after a long day. In this category, the overall look also matters. Especially if you choose matching The New Siblings sweatpants for a family-style outfit, it is a plus when the trousers continue to look good wash after wash.

If you want to put together a full set, the trousers can also be styled with one of our sweatshirts if you would like more options within the same soft and relaxed category.

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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