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Thermal jackets

Find thermal jackets for children that keep them warm on chilly days while leaving plenty of room for everyday play. Choose from lightweight and warmer styles for nursery, school and in-between seasons, when the weather can change quickly from morning to afternoon.

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Thermal jackets

Thermal jackets children can wear in transitional weather and on chilly days

A thermal jacket for children is a great choice when the weather is cool, damp or changeable throughout the day. It sits somewhere between a light jacket and a winter jacket, making it ideal for nursery, school, the playground and days out in spring and autumn weather. Here you will find thermal jackets for children of different ages – from the youngest little ones to older school children, whose needs are naturally not always the same.

For younger children, it is often important that the jacket is soft, easy to move in and simple to take on and off. For older children, it typically makes more sense to look for durability, a good fit, pockets, reflectors and room for an extra layer underneath. A thermal jacket for kids should therefore not only provide warmth, but also suit the child’s age, pace and everyday routine.

If you are unsure how warm the style should be, it helps to think about both the season and how the jacket will be used. On mild but chilly days, a lighter jacket is often enough. When the weather becomes harsher, a more insulated style may be the right choice – or you can take a closer look at winter jackets if more warmth is needed.

Which thermal jacket for children suits the season and temperature?

A thermal jacket works best as a flexible part of the wardrobe. It is especially useful during transitional periods, when a winter jacket feels too heavy but a thin jacket is no longer enough. Many families also use it as an extra layer on cold days when the weather is difficult to predict.

As a rule, it makes sense to start with how your child will use the jacket day to day:

  • For nursery and school, a lightweight or medium-warm style is often suitable, as children are usually very active.
  • For quiet walks, time in the pram or more stationary outdoor time, a warmer jacket may feel more comfortable.
  • For frost, snow and many hours outside, a proper winter jacket or a layered outfit is usually the safest choice.

If the weather is wet without being bitterly cold, a thermal jacket can also work well together with rainwear. It is a practical solution for changeable weather, where rain, wind and temperature can shift quickly during the day.

Materials, insulation and comfort in thermal jackets children can move in

The materials make a big difference to how the jacket feels and how well it works in everyday use. Many thermal jackets are made from hard-wearing materials such as polyester or nylon and often have a water-repellent surface that can handle light rain and moisture. This makes them well suited to ordinary outdoor days, even though they are not necessarily fully waterproof.

Inside, there may be different types of insulation. A fleece lining feels soft and warm, while synthetic insulation is often practical for active children because it is easy to wear and retains warmth well. Some parents also look for OEKO-TEX or GOTS, especially if their child has sensitive skin or if they prefer materials chosen with extra care.

Comfort is also found in the small details. The jacket should ideally be lightweight, have a soft lining and allow good freedom of movement around the shoulders and arms. When children need to cycle, climb, run and play, a warm jacket first and foremost needs to work in practice.

How to choose the right size and fit for a thermal jacket for kids

The fit is often what creates the most doubt. A thermal jacket should have a little room for a jumper or extra layer, but it should still sit well enough for the child to move freely without feeling bundled up in the wrong way.

For babies and younger children, many parents choose a slightly roomier style so there is space for layers and a little growing room. For juniors, a slimmer or regular fit can be more comfortable, especially if the jacket is used for school and everyday wear, where the child takes it on and off several times during the day.

It can help to check:

  • whether the sleeves allow room without becoming too long
  • whether the jacket can easily be zipped over a sweatshirt or knit
  • whether the child can still play, sit and cycle without difficulty

Thermal jackets are often part of a layered outfit. That makes them easy to wear with soft mid-layers such as sweatshirts or fleece when the temperature drops.

Thermal jackets as part of a practical everyday outfit

For many families, the easiest approach is to see the thermal jacket as part of a complete wardrobe solution. On cool and dry days, it can easily be worn on its own. When the weather is more mixed, it works well with thermal trousers, warm layers underneath and good boots, so your child can spend a full day outside without getting cold.

For the youngest children, it often makes sense to choose a more all-in-one solution such as thermal suits. For older children, a thermal jacket together with thermal trousers and sturdy shoes is often enough, especially when they need to be able to dress themselves and adjust during the day.

It is also worth considering whether your child tends to get warm quickly or easily feels cold. This makes it easier to choose between a lightly lined style and a more insulated version.

Reliable choices in thermal jackets for children

When choosing a thermal jacket your child will wear again and again, there is good reason to look beyond colour and style. Durability, comfort, easy care and materials that feel pleasant against the skin make a noticeable difference in everyday life. A good thermal jacket should be able to withstand play, plenty of trips outside and normal washing without quickly losing what makes it comfortable and useful.

At House of Kids, the selection is carefully curated with a focus on quality, function and styles that make sense in a child’s wardrobe. This makes it easier to find a thermal jacket for children that works in everyday life and also feels like a safe choice for you as a parent.

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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