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MarMar Nightwear & underwear

Explore MarMar nightwear and underwear for children, where soft materials, calm colours and delicate details come together. Find pyjamas, tops and bottoms that feel comfortable close to the skin, day and night.

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MarMar Nightwear & underwear

MarMar nightwear & underwear for children with a little extra softness

Here you will find MarMar nightwear and MarMar underwear for children, where simple design meets delicate details in a calm and natural way. This category is for you if you are looking for pyjamas, sleep sets, tops and bottoms from MarMar Copenhagen and want to understand the difference before choosing. It is especially a lovely place to browse if you like a muted, well-considered look with soft shades, refined details and materials that feel comfortable against the skin.

MarMar stands apart from more classic basic brands by giving even the innermost layers a little extra attention. Here, pyjamas and underwear are not just practical pieces for the drawer, but styles that children enjoy wearing every day. You will find organic cotton, lyocell and other carefully selected natural fibres, so you can choose based on material, fit and purpose: Should it be a MarMar pyjama set for bedtime, or underwear that also works as a light layer under everyday clothes?

What is the difference between MarMar nightwear and MarMar underwear?

This is often where the choice becomes easier. MarMar nightwear typically includes pyjamas, sleep sets and other styles made for sleeping, relaxing and quiet mornings at home. The look is usually soft and understated, with muted colours, fine finishes and a fit that feels easy to move in.

MarMar underwear is the layer your child wears closest to the body during the day. This can include briefs, tops and light base layers worn under dresses, blouses or knitwear. With MarMar, however, the line between the two can feel more fluid than with many other brands. Some styles are so simple and soft that they can just as easily be used as nightwear, loungewear or an extra layer close to the skin.

If you would like to build on the brand’s expression, you can also explore the full selection of MarMar or combine with beautiful layers from MarMar dresses.

MarMar pyjamas and underwear in materials that make a difference

The materials are a big part of what makes MarMar nightwear and underwear so comfortable to wear. When clothing sits close to the skin all night, or throughout a full day at nursery, kindergarten or school, the feel of the fabric matters. In the selection, you will often find:

Organic cotton – a safe, soft choice for children who need simple, comfortable layers closest to the body. When the cotton is also OEKO-TEX certified, it can offer extra peace of mind, especially when the fabric is worn directly against the skin for many hours.

Lyocell – a smooth, almost silky material that many choose for children with sensitive skin. It feels light, breathable and often softer and more flexible against the skin than classic cotton.

Cashmere blends – more exclusive qualities that add an extra warm and soft feel. They can be a good choice if you want something cosy without it feeling heavy or coarse.

At MarMar, details are not only decorative. Flat seams, elastic edges without harsh pressure and soft finishes can make a real difference in everyday wear, especially if your child easily notices seams, dislikes tight elastic or simply prefers clothing that feels effortless.

How to choose MarMar nightwear by age, fit and needs

MarMar Copenhagen is known for a slightly more simple and elegant cut than many other children’s brands. This does not necessarily mean the clothing is larger, but the shape can feel less traditionally “childlike”. If you are used to more classic basic brands, it can therefore be helpful to keep the fit in mind when choosing.

For the youngest children, around ages 2-4, it often makes sense to choose the softest qualities and simple sets that are easy to sleep in and comfortable from evening to morning. For children aged 5-7, many choose pyjamas or underwear that can be used both at night and as soft clothing for quiet hours at home. In the larger sizes, around ages 8-10, it is often the more understated look and refined silhouette that make MarMar feel special.

If you are unsure, it can help to think of it like this:

  • For bedtime: choose a dedicated sleep set or a MarMar pyjama set.
  • For everyday layering: choose tops and bottoms that can be worn under clothing.
  • For sensitive skin: look especially for lyocell or soft organic cotton.

If you need more innermost layers across brands and materials, you can also continue to our selection of undershirts and underpants.

When nightwear becomes part of a child’s calm everyday wardrobe

The lovely thing about MarMar underwear and nightwear is that many styles fit naturally into a child’s everyday wardrobe. They are neat and well-designed, yet still so soft and uncomplicated that they are worn again and again. A matching set can be pyjamas in the evening, cosy loungewear on a slow morning and a light layer under the day’s outfit when comfort needs to be there from the very start.

That makes this category ideal if you would rather choose fewer styles, but choose them with a little more care. The solid-colour sets and discreet details make it easy to create a wardrobe that feels cohesive and calm. If you want to build further with more soft layers in the same universe, you can also combine with MarMar leggings.

MarMar nightwear and underwear are therefore a great choice if you want more than simply practical basics in the drawer. You get soft styles where materials, fit and expression work together, giving your child something comfortable close to the skin and giving you, as a parent, confidence in your choice.

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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