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The New Siblings Sweatshirts

Find The New Siblings sweatshirts for babies, children and older siblings. Soft everyday styles with matching colours, prints and fits that make it easy to create a sweet sibling look with all-day comfort.

27 products

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TNSTSaga sweatshirtsTNSTSaga sweatshirtsTNSTSaga sweatshirtsTNSTSaga sweatshirts
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TNSTPippin sweatshirts
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TNSTRomalda sweatshirts
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TNSTPrissy sweatshirtsTNSTPrissy sweatshirts
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TNSTSilvia sweatshirtsTNSTSilvia sweatshirtsTNSTSilvia sweatshirts
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TNSTPhineas sweatshirts
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TNSTRavi sweatshirtsTNSTRavi sweatshirts
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Tnstvelika SweatshirtTnstvelika SweatshirtTnstvelika SweatshirtTnstvelika SweatshirtTnstvelika Sweatshirt
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TNSTSantiago sweatshirtsTNSTSantiago sweatshirtsTNSTSantiago sweatshirtsTNSTSantiago sweatshirts
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TNSTStan sweatshirtsTNSTStan sweatshirtsTNSTStan sweatshirts
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TNSTSigmond sweatshirtsTNSTSigmond sweatshirtsTNSTSigmond sweatshirtsTNSTSigmond sweatshirtsTNSTSigmond sweatshirts
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Organic TNSTLegend sweathoseOrganic TNSTLegend sweathose
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Organic TNSTLegend sweathoseOrganic TNSTLegend sweathose
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TNSTPauletta sweatshirtsTNSTPauletta sweatshirts
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TNSTLegend sweatshirtsTNSTLegend sweatshirts
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Sale price€14,87 Regular price€24,79
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Organic TNSTRavi sweathoseOrganic TNSTRavi sweathose
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Tnsbvarren sweatshirt SweatshirtTnsbvarren sweatshirt SweatshirtTnsbvarren sweatshirt Sweatshirt
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Tnsbvadim sweatshirt SweatshirtTnsbvadim sweatshirt SweatshirtTnsbvadim sweatshirt Sweatshirt
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Tnstvhil SweatshirtTnstvhil SweatshirtTnstvhil SweatshirtTnstvhil SweatshirtTnstvhil Sweatshirt
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Tnstverylo SweatshirtTnstverylo SweatshirtTnstverylo SweatshirtTnstverylo SweatshirtTnstverylo Sweatshirt
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Tnstvalin SweatshirtTnstvalin SweatshirtTnstvalin SweatshirtTnstvalin Sweatshirt
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Tnstverona SweatshirtTnstverona SweatshirtTnstverona SweatshirtTnstverona SweatshirtTnstverona Sweatshirt
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TNSTNeo sweatshirtsTNSTNeo sweatshirts
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TNSBNola sweatshirtsTNSBNola sweatshirts
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TNSBPheba sweatshirtsTNSBPheba sweatshirts
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TNSTPhil sweatshirtsTNSTPhil sweatshirts
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TNSBPrimo sweatshirtsTNSBPrimo sweatshirts
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The New Siblings Sweatshirts

The New Siblings sweatshirts for babies, children and older siblings

The New Siblings sweatshirts are for you if you are looking for sibling sweatshirts with a nice sense of connection across ages and sizes. Here, we have gathered sweatshirts from The New Siblings, making it easier to choose matching styles that children can actually wear every day – from the smallest family members to older siblings. It is a great solution if you want to create a coordinated family look with similar colours or prints, without compromising on comfort.

When choosing, it often makes sense to start with three things: the size for each child, how matching you want the look to be, and whether the sweatshirt will be worn on its own or as an extra layer. Some families go for a fully matching set, while others prefer a more subtle connection through colours, prints or fit. It can help to think about age, cut and whether the sweatshirt will be used for nursery, school, family visits or perhaps as a gift.

Matching sweatshirts for siblings should work for everyday wear

When siblings wear matching sweatshirts, they should look lovely together – but first and foremost, the sweatshirts need to feel comfortable throughout the day. A good sweatshirt often has a soft inside, comfortable ribbed edges and a fit that leaves room for play, movement and an extra layer underneath on cooler days.

For babies and small children, softness and easy dressing are often the most important details. For children in kindergarten and school, durability quickly becomes more important, as the sweatshirt joins in with a bit of everything – from morning gatherings to floor play and outdoor trips. For older children and tweens, the cut, colours and relaxed expression can make all the difference. What the range has in common is that sibling sweatshirts create a sweet connection between the children, without feeling too formal or like something only worn for photos.

If you want to complete the look, the sweatshirts can easily be matched with The New Siblings sweatpants for a more coordinated set, or with classic pants if you prefer a calmer, more everyday-friendly style.

Materials, comfort and washing The New Siblings sweatshirts

When a sweatshirt is worn again and again, the material matters. Many parents look for cotton and other soft qualities that feel comfortable against the skin while also handling frequent trips through the washing machine. In a category like this, organic cotton and materials with a focus on skin-friendly comfort are often a reassuring choice, as sweatshirts sit close to the body and are used often.

A good sweatshirt for siblings should ideally be able to:

  • feel soft from the very first wear
  • keep its shape after washing
  • keep colours and prints looking nice for as long as possible
  • be easy to wear both on its own and over a T-shirt or bodysuit

If you choose styles with prints or more distinctive colours, it is worth following the care instructions carefully. This helps keep both the surface and the print looking good, especially when the sweatshirt becomes a regular part of the weekly wardrobe. For the youngest siblings, it can also be nice to add a soft bodysuit underneath so the layers feel comfortable all day.

How to choose the right size in sibling sweatshirts

One of the things many people need to consider with The New Siblings sweatshirts is sizing across children of different ages. The look can be coordinated, but the fit will naturally vary from baby to older child. For the smallest ones, a sweatshirt is often a little softer and roomier, while styles for older children may have a more classic or slightly oversized cut.

As a rule, it is a good idea to start with the child’s height and the clothes that already fit well at home, rather than looking only at age. If a child is between two sizes, it can also help to think about how the sweatshirt will be worn. For everyday use, play and good freedom of movement, a slightly roomier style can be comfortable, while a more precise fit may be ideal if it is mainly intended as part of a coordinated set.

If you want to add more matching favourites, you can also take a closer look at The New Siblings T-shirts or explore more sweatshirts if you would like to compare colours, expressions and fits.

The New Siblings sweatshirts as a gift and complete sibling look

The New Siblings sweatshirts are also a lovely gift idea for a new big sister, big brother or siblings who have just welcomed a new baby into the family. Because the range is designed with coordination in mind, it is easier to find something that feels both personal and thoughtful. That makes the category relevant for both parents and gift buyers who want to choose something that is easy to enjoy.

A sibling look does not have to be identical from head to toe to work well. For some families, it is enough for colours or prints to repeat, while others prefer a more complete set. A sweatshirt is easy to wear with jeans, leggings or sweatpants and fits into the wardrobe all year round – on its own on mild days or under a jacket when the weather gets cooler. This makes it a practical favourite that children will keep wearing even after the special occasion has passed.

If you are looking for matching sweatshirts that children can wear both for everyday life and for those small special moments, The New Siblings is a great place to start. The range focuses on sibling coordination, good comfort and styles that fit naturally into a regular children’s wardrobe.

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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