Joybuy Insights

Buy LEGO children's jumpers: sizes, materials and suitable everyday styles

A LEGO children's jumper should do more than simply display a striking logo. For school, leisure and active days of play, the right size, comfortable materials and easy-care properties suited to family life are what matter most. At the same time, LEGO children's jumpers, LEGO children's sweatshirts and LEGO hoodies can differ considerably in fabric, fit and features.

If you choose based solely on colour or design, you can easily overlook important details. Three common buying misconceptions can mean that a jumper is barely worn after a short time:

  • Marketing terms without specific material details: “Extra soft” tells you very little if the fibre composition, fabric weight and inside finish are not stated.
  • Choosing the size based only on age: Children grow at different rates. A children's jumper in size 104 or size 116 should therefore be checked against the child’s height and measurements.
  • Underestimating the care instructions: Tumble drying, ironing and washing temperatures vary from one model to another. Incorrect care can put strain on the fabric and print.

What matters when choosing a LEGO children's jumper

1. Check the material and fabric weight

For a sweatshirt for boys and girls, the material composition is an important point of comparison. According to the product details, a model made from 50% polyester, 43% viscose and 7% elastane offers a flexible, stretchy structure. Ribbed cuffs on the sleeves and hem can also help the fit stay in place during movement.

Other LEGO children's jumpers are made from 78% cotton, 18% polyester and 4% elastane. Cotton is often preferred for its soft textile feel, while polyester and elastane can help support shape retention and freedom of movement. However, it would be unhelpful to make a blanket statement about suitability: the key factors are how the fabric feels against the skin, the warmth required, the fit and the child’s individual preferences.

A stated fabric weight of 320 g/m² describes a comparatively substantial sweatshirt fabric. For a LEGO children's hooded jumper, this can be practical on cooler days, but it does not replace an additional jacket in low temperatures.

2. Consider the unbrushed inside and the fit

An unbrushed reverse side is smoother than brushed sweatshirt fabrics. This can be comfortable for children who prefer a less fleecy inside. At the same time, check that the jumper is loose enough to fit over a T-shirt or vest.

A classic fit with ribbed cuffs is often suitable for school and everyday wear. A hoodie provides an additional layer of fabric around the neck and head thanks to its hood. However, the hood can be awkward when worn under a jacket or during sport. For active days, it should therefore be neither too heavy nor too loose.

3. Take care, print and colour into account

Several of the models listed here are suitable for machine washing at 40 °C with similar colours. Depending on the product, drying at a low temperature may be recommended or prohibited. Some models must not be ironed, bleached or dry-cleaned.

For a grey children's jumper, red children's jumper or pink children's jumper, you should also follow the washing instructions for the individual item. Dark and vibrant colours may benefit from being turned inside out before frequent washing. Embossed or raised LEGO logos should not be ironed directly with a hot iron if this is excluded by the care label.

Choosing the right size: comparing sizes 104 to 128

For children's clothing, the EU size is often based on height. The size charts provided include the following reference measurements:

  • Size 104: height approximately 104 cm, chest approximately 57 cm
  • Size 116: height approximately 116 cm, chest approximately 59 cm
  • Size 128: height approximately 128 cm, chest approximately 63 cm

These measurements do not guarantee an individual fit. Where possible, measure the child without thick clothing and compare their height, chest measurement and, where applicable, hip and waist measurements with the product page. With a hoodie, the amount of room required for an additional layer may also be relevant.

A jumper that is too large can get in the way around the sleeves and shoulders. One that is too small can restrict movement when climbing, playing or getting dressed. For growing children, it is therefore more useful to use their actual measurements rather than relying solely on age.

Our selection for different user profiles

Suitable for: Budget-conscious first-time buyers
LEGO kidswear SWEATSHIRT Grey Melange 104

LEGO kidswear SWEATSHIRT Grey Melange 104

Why this product suits this profile: The classic grey sweatshirt is designed to pair easily with jeans, joggers or a jacket. The stated size 104 makes it easier to choose the right option, provided it matches the child’s measurements.

How this product avoids the pitfall

The material and care details are clearly stated: 50% polyester, 43% viscose and 7% elastane, plus machine washing at 40 °C.

Main benefit & strengths

Stretchy fabric, a classic fit and ribbed cuffs on the sleeves and hem.

Suitable for: Quality-focused buyers
LEGO Kidswear Hooded Sweatshirt Grey Melange 116

LEGO Kidswear Hooded Sweatshirt Grey Melange 116

Why this product suits this profile: This grey hoodie combines a hooded design with 320-g/m² sweatshirt fabric, making it suitable for school, the playground and leisure time when an extra layer is wanted.

How this product avoids the pitfall

The product description specifies the unbrushed reverse side, the single-jersey sweatshirt fabric and clear care instructions.

Main benefit & strengths

Size 116, raised front print, hood and machine washing at 40 °C with similar colours.

Suitable for: Families focused on colour and design
LEGO Kidswear Hoodie Dark Navy

LEGO Kidswear Hoodie Dark Navy

Why this product suits this profile: The dark colour is less likely to show visible signs of wear during everyday use. This hoodie is designed for children who are regularly active both outdoors and indoors.

How this product avoids the pitfall

The care instructions specify washing at 40 °C, drying in the shade and avoiding tumble drying, ironing and bleach.

Main benefit & strengths

78% cotton, 18% polyester and 4% elastane, plus a lined single-jersey hood.

Suitable for: Colour- and design-conscious families
LEGO Kidswear Sweatshirt Pink

LEGO Kidswear Sweatshirt Pink

Why this product suits this profile: The pink sweatshirt is aimed at children who want to combine a bold colour with a simple, classic fit.

How this product avoids the pitfall

The product details state the fibre composition, fabric weight and washing temperature rather than focusing solely on the design.

Main benefit & strengths

Stretchy fabric blend, unbrushed reverse side and ribbed trims for active everyday wear.

Looking for more options?

We have put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations applicable in the EU.

LEGO children's jumper FAQ

What size should a LEGO children's jumper be?

Start by checking the child’s height, then compare their chest, waist and hip measurements with the size chart for the specific item. A children's jumper in size 104 will not automatically fit every child of the same age. The same applies to size 116 and size 128. With a hoodie, you should also consider whether the child will wear a T-shirt or thin jumper underneath.

How should a LEGO children's sweatshirt be cared for?

Many of the models mentioned can be machine-washed at 40 °C with similar colours. However, the drying instructions vary: some items allow low tumble-drying temperatures, while others require line drying in the shade. The care label on the individual garment is therefore the deciding factor. For the models listed, ironing, bleaching and dry cleaning should be avoided.

Is a LEGO hoodie more practical than a sweatshirt for children’s everyday wear?

It depends on how it will be used. A hoodie has a hood and can provide extra coverage on cooler days. A classic sweatshirt usually sits more neatly under jackets and is suitable for school, indoors and layered outfits. When choosing, it is therefore important to consider not only the colour and LEGO logo, but also the child’s wardrobe, activity level and desired freedom of movement.