Joybuy Insights

Blue clothing for children and men: how to choose the right size, material and style for the intended use

Blue clothing for children and men comes in many varieties, from cotton babywear and girls’ pyjamas to blue men’s swim shorts and men’s sports shorts. However, colour says little about comfort, fit or care requirements. If you focus only on price, brand name or an appealing product photo, you could end up with a garment that is too small too soon, uncomfortable to wear or unsuitable for its intended use.

The main pitfalls are:

  • Using age as the only guide to size. Babies and children do not all grow at the same rate. Body height in centimetres is usually a more useful starting point than simply “6 months” or “3 years”.
  • Assuming the material without checking the label. Cotton, elastane and polyester have different properties. A short-sleeved boys’ T-shirt for everyday wear has different requirements from quick-drying swimwear.
  • Confusing a sporty look with a sporty construction. Shorts with an elasticated waistband, drawstring and pockets are practical for training, but are not automatically suitable for swimming. Check the product type and fabric composition.

The key specifications for blue children’s clothing

1. Choose the size based on height, not just age

For Chicco clothing in sizes 50 to 98, the size number refers to body height in centimetres. For example, size 050 is intended for a baby measuring around 50 cm, while size 098 is linked to an age indication of 3 years in the product information. Age is only a guideline.

If you are unsure, measure your child’s height and compare it with the product’s size chart. Also check for:

  • enough room around the shoulders and crotch;
  • sleeves and trouser legs that are not already too short;
  • a waistband that fits comfortably without visibly digging into the skin;
  • enough freedom of movement for playing, sleeping or crawling.

For a newborn baby, a set in size 050 may be practical, while an older child may benefit more from a loose-fitting T-shirt or pyjamas in sizes 074 to 098.

2. Check the exact fibre composition

Cotton baby and children’s clothing generally feels familiar and comfortable for everyday wear, but the composition varies from one item to another. According to the product information, a Chicco short-sleeved T-shirt in medium blue is made from 100% cotton. Other items, such as a two-piece set or girls’ pyjamas, contain 95% cotton and 5% elastane.

That difference matters:

  • 100% cotton: a straightforward choice for T-shirts and lightweight everyday clothing;
  • cotton with elastane: can provide more stretch when moving and getting dressed or undressed;
  • polyester: often used for swim shorts and sportswear, where low weight and easy care are important.

Always check the care label. The product information may list the composition, but the care instructions on the garment itself should always take priority.

3. Match the garment to its intended use

Short-sleeved girls’ pyjamas are designed for sleeping and relaxing at home. Blue men’s swim shorts, on the other hand, are intended for the pool, beach or holidays. When choosing swimwear, look for:

  • an elasticated waistband;
  • an internal or external drawstring;
  • a lining if this is mentioned in the product details;
  • polyester as the main material;
  • care instructions for after contact with chlorine or seawater.

For men’s sports shorts intended for training or everyday wear, pockets, inside-leg length and waist measurement are often more important than water drainage. According to the product information, Under Armour men’s shorts in French Terry are made from 80% cotton and 20% polyester, have a regular fit, open hand pockets and a drawstring. This makes this type of shorts more suitable for training, warm-ups and leisure than for swimming.

Recommended choices for each user profile

Suitable for: Budget-conscious beginners
Chicco 09075889000000 BOYS LIGHT BLUE 050

Chicco 09075889000000 BOYS LIGHT BLUE 050

Why it suits this profile: This two-piece T-shirt and shorts set is intended for boys around size 050 and comes in a light blue colour. It is a straightforward choice for parents looking for a simple outfit for a young baby.

How this product avoids the pitfall

The size 050 and age indication are clearly stated. This helps you avoid relying solely on a general age category.

Main benefit & advantages

Two-piece set, light blue colour and 100% cotton according to the product information.

Suitable for: Shoppers looking for top quality
Chicco 09035427000000 GIRLS MEDIUM LIGHT BLUE 098

Chicco 09035427000000 GIRLS MEDIUM LIGHT BLUE 098

Why it suits this profile: These medium light blue girls’ pyjamas are designed for size 098 and an age indication of 3 years. The short sleeves are suitable for wearing indoors and on warmer nights.

How this product avoids the pitfall

The product details specify both the size and the composition. You therefore do not have to rely solely on the colour or brand name.

Main benefit & advantages

95% cotton and 5% elastane; short sleeves; size 098 according to the product information.

Suitable for: Specific uses & intensive users
Mens Reebok Swimshort Yestin Humble Blue M

Mens Reebok Swimshort Yestin Humble Blue M

Why it suits this profile: These blue men’s swim shorts in size M are designed for swimming, pool training and wearing at the beach. The elasticated waistband with drawstring is practical when you want an adjustable fit.

How this product avoids the pitfall

The product is identified as swim shorts and has polyester as its main material. This makes its purpose clearer than that of ordinary sports shorts.

Main benefit & advantages

100% polyester for the outer layer and lining; elasticated waistband; drawstring; wash at 30 °C.

Looking for more options?

We have put together a complete, up-to-date list of products that fully meet these strict selection criteria and the applicable European safety regulations.

Frequently asked questions about blue clothing for children and men

Which blue clothing is suitable for a baby?

Start by checking body height, then look at the fabric composition. For everyday wear, a cotton T-shirt or two-piece set can be a practical choice. A set made from 95% cotton and 5% elastane may provide a little extra freedom of movement. Always check the care label and never choose a size based solely on age.

What is the difference between men’s swim shorts and sports shorts?

Men’s swim shorts are generally designed for use in water and are often made from polyester. Men’s sports shorts, such as a French Terry model, are more suitable for training, warm-ups, leisure and everyday wear. Check the pockets, lining, drawstring and stated product category before ordering.

How should I care for blue swimwear?

Follow the specific instructions on the garment. The Reebok swim shorts mentioned above specify washing at 30 °C, do not bleach, do not tumble dry and do not iron. Do not leave swimwear rolled up for long after use, and check the label before selecting a new wash programme.