Joybuy Insights

Buying a T-shirt: how to choose a comfortable style for every day

A T-shirt may seem like a straightforward purchase, but small differences in material, fit and sizing determine whether you wear it regularly or leave it at the back of your wardrobe. This applies to men's and women's T-shirts, as well as children's and baby T-shirts.

When shopping online, don't just focus on colour and brand name. Marketing terms such as “extra soft”, “premium” or “antibacterial” only mean something if you can verify them in the product information. A brand's own research may support a particular claim, but that is not a general guarantee for every wearer or situation. So first check the exact composition, sizing information and care instructions.

Three common T-shirt pitfalls

1. A flattering fit without a clear size guide

A T-shirt may look loose or fitted in the product photo. Without chest, waist or body measurements, it can be difficult to choose the right size. The fit can vary considerably between brands, particularly for children's clothing.

So check:

  • the size designation, such as S, M or an age-based size;
  • body height and chest measurement in centimetres;
  • whether the style is intended to be a regular fit, slim fit or loose fit;
  • the returns policy if the size is not suitable.

2. Material claims that hide the composition

“Soft” and “breathable” are subjective descriptions. The fibre composition is easier to verify. For example, a 100% cotton T-shirt is different from a shirt made with a cotton blend, elastane or synthetic fibres.

Also look at the fabric weight, neckline finish and seams. Lightweight fabric can feel comfortable in warm weather, but may be more prone to showing through or wearing out. Heavier fabric can offer more structure, but may feel warmer.

3. Care requirements that don't suit your routine

A T-shirt worn every day is washed frequently. So check the care label in advance. The product information for the Calvin Klein Smooth Cotton T-Shirt states 100% cotton, do not tumble dry and iron at a low temperature. The instructions on the actual label remain the definitive guide, as care requirements can vary between versions.

Which features are important?

Material: choose according to how you will use it

For a basic T-shirt for everyday wear, the following points are useful:

  • 100% cotton: a clear, natural fibre composition that is often chosen for a soft and breathable feel;
  • cotton blend: may add properties such as stretch or shape retention, but always check the percentages;
  • synthetic fibres: can be useful for a specific fit or quick-drying purpose, but feel different from cotton.

For babies and children, fabric softness is important for comfort. Also check that seams, labels and neck openings are not unnecessarily stiff. A long-sleeved baby T-shirt can be useful as an extra layer, while a short-sleeved T-shirt is better suited to warmer days.

Neckline and sleeves

A crewneck T-shirt has a round neckline and is easy to style. A short-sleeved T-shirt works well under a cardigan, jacket or shirt. A long-sleeved T-shirt offers more coverage and can be worn as a mid-layer in spring and autumn.

Look at the neck ribbing: it should sit neatly without feeling tight. For children's clothing, a generous neck opening is practical when getting dressed and undressed. For baby and toddler styles, check that the fastening and sizing are specified in the product description.

Colour and versatility

A black T-shirt and a white T-shirt are easy to pair with jeans, shorts, chinos or a skirt. Light colours can show stains more quickly; with dark colours, it is important to follow the washing instructions to help preserve the colour as well as possible.

If you're unsure, start with a neutral colour and a classic cut. This increases the chance that the shirt will work with several outfits.

Our recommendations by user profile

Suitable for: Budget-conscious beginners
Calvin Klein Smooth Cotton T-Shirt CK Black Men's S

Calvin Klein Smooth Cotton T-Shirt CK Black Men's S

Why it suits this profile: This black men's T-shirt has a classic round neckline, short sleeves and a simple look. The size S version is suitable for anyone looking for a recognisable basic style.

How this product avoids the pitfall

The product description states the fabric composition and provides specific care instructions. This means you don't have to rely solely on general claims about softness.

Main benefit & advantages

100% cotton according to the product information; crewneck and short sleeves; black colour that's easy to style.

Suitable for: Shoppers looking for top quality
Calvin Klein Smooth Cotton T-Shirt CK Black Men's S

Calvin Klein Smooth Cotton T-Shirt CK Black Men's S

Why it suits this profile: The combination of minimalist design, 100% cotton main fabric and a classic cut is ideal for a wardrobe where one style can be worn in different ways.

How this product avoids the pitfall

The description covers not only the style, but also the material and care requirements. Wash the garment according to the instructions and avoid the tumble dryer if the label says so.

Main benefit & advantages

100% cotton according to the product page; short sleeves; suitable for wearing on its own or under a jacket and jumper.

Suitable for: Specific uses & intensive users
CHICCO ABBIGLIAMENTO T SHIRT LONG SLEEVE 68 LIGHT NATURAL

CHICCO ABBIGLIAMENTO T SHIRT LONG SLEEVE 68 LIGHT NATURAL

Why it suits this profile: This long-sleeved children's or baby T-shirt is designed for everyday use. The sizing ranges from baby sizes to larger children's sizes; check the centimetre measurements before ordering.

How this product avoids the pitfall

The product page includes a size guide with height, chest, waist and hip measurements. For fast-growing children, this is more useful than relying on an age indication alone.

Main benefit & advantages

Long sleeves; light natural colour; size range from 0 months to 12 years in the stated table.

Looking for more options?

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

Choosing the right size without unnecessary returns

For a men's or women's T-shirt, measure a shirt that fits comfortably and compare its width and length with the product information. Don't automatically choose the same size from every brand. An S may fit differently from one style to another.

For children, you can follow this order:

  1. Measure their height.
  2. Check their chest, waist and hip measurements.
  3. Compare the figures with the table on the product page.
  4. Allow room for movement, especially with a long-sleeved T-shirt.

For a baby T-shirt, age is only an indication. For example, the Chicco size guide lists sizes for 0, 1, 3, 6, 9 and 12 months, plus children's sizes up to 12 years. Always check the current table for the product you've selected.

Keeping your T-shirt looking good for longer

Wash a cotton T-shirt according to the label and separate dark and light colours. Only use a tumble dryer if the care label allows it. The product information for the Calvin Klein style states that it should not be tumble dried and can be ironed at a low temperature.

If the label permits, wash a black T-shirt inside out. Don't leave a shirt damp for a long time after washing. This helps reduce unnecessary strain on the fabric, colour and seams. With children's clothing, it's a good idea to check after every wash that the neckline and seams are still sitting properly.

Frequently asked questions about T-shirts

How often should I wash a T-shirt?

It depends on how it is used, perspiration and stains. A shirt worn directly against the skin is usually washed after one wear. A T-shirt worn as an extra layer over a vest may sometimes be worn for longer. Always follow the care label.

Is 100% cotton suitable for everyday use?

100% cotton is a clear material choice for anyone looking for a soft and breathable feel. However, it can shrink or crease if washed or dried incorrectly. So check the care instructions and follow the guidance on the garment label.

How do I choose between a short-sleeved and long-sleeved T-shirt?

Short sleeves are practical for warmer days and as a layer under a cardigan or jacket. Long sleeves are more useful in cooler weather or when you want more coverage. For children and babies, room for movement, straightforward sizing and easy dressing and undressing are also important.