Joybuy Insights

Buying T-shirts online: how to choose the right fit, fabric and style

A T-shirt should feel comfortable for everyday wear, keep its shape after washing and suit the way you plan to wear it. But when buying T-shirts online, product photos and brand logos can often seem more convincing than the details that really matter. Three common pitfalls are especially likely to lead to the wrong purchase:

  • Unclear fit: A style described as “Regular Fit” can vary from one brand to another. Without a size chart, choosing the right size can be difficult.
  • Material details without context: 100% cotton feels comfortable, but it isn’t automatically the best choice for sport or heavy sweating. Synthetic performance fabrics can be more practical for training.
  • Style over practicality: A bold print or large logo tells you little about the neckline, fabric weight, care requirements or how easy the T-shirt is to style.

Check these points before ordering and you can make a more informed choice between men’s T-shirts, women’s T-shirts, sports T-shirts, cotton T-shirts and graphic T-shirts.

Check these three things before you buy

1. Choose a material that suits how you’ll wear it

The fabric composition affects how a T-shirt feels, how you care for it and how quickly it dries:

  • Cotton: Comfortable against the skin and versatile for casual wear, everyday outfits and layering. According to the product details, the Nike Sportswear Club T-Shirt is made from 100% cotton.
  • Cotton blends: A proportion of elastane can help with freedom of movement and shape retention. The adidas Women’s Trefoil T-Shirt is described as 92% cotton and 8% elastane.
  • Polyester and performance fabrics: A performance T-shirt such as the Nike Dry Park 20 T-Shirt is made from 100% polyester. The product description says it has a sweat-wicking finish for training and sporting activities.
  • Organic cotton: The JACK&JONES JJEORGANIC MELANGE TEE is listed as 100% organic cotton. If a material is certified, check the product details to see which specific certification applies.

For sport, also consider whether you need a quick-drying T-shirt, how stretchy the fabric is, and whether seams or printed areas might feel uncomfortable when you move.

2. Compare the fit with your measurements

“Regular Fit” describes the general shape of a T-shirt, but it’s no substitute for a size chart. Before you buy:

  1. Lay a well-fitting T-shirt flat and measure it, or take your body measurements.
  2. Compare your chest measurement and, where relevant, your waist measurement with the brand’s size chart.
  3. If you want an oversized look, only size up if the shoulder and overall length still work for you.
  4. For a closer fit, check the elastane content and the actual garment width.

For example, the Nike Sportswear Club T-Shirt lists chest measurements from 88 to 160 cm for sizes XS to 4XL. This makes it easier to choose based on specific measurements. Women’s T-shirts may also show EU, UK and US sizes side by side. Don’t assume these sizes are equivalent without checking the chart.

3. Check the care instructions, fabric weight and features

Care instructions have a direct impact on how long your T-shirt lasts. Look for details such as:

  • Washing temperature and cycle
  • Whether it can be tumble dried
  • Ironing temperature
  • How to care for prints, embroidery and logos
  • Fabric weight in grams per square metre

For example, the Merchcode ACDC Back in Black Tee is described as 100% cotton and 160 g/m². The Urban Classics Ladies Classy Tee 2-Pack is listed as 100% cotton and 145 g/m². A higher fabric weight doesn’t automatically make a T-shirt the better choice: a lighter style may feel more comfortable on warm days, while a denser fabric can add structure when layering.

T-shirts for different needs

The recommendations below group specific styles by how you might wear them and what to look for when buying. They’re no substitute for checking current availability, price and the size chart on each product page.

Ideal for: Budget-conscious first-time buyers
Urban Classics Ladies Classy Tee 2-Pack White and Black

Urban Classics Ladies Classy Tee 2-Pack White+Black

Why this product suits you: Two simple women’s T-shirts in white and black give you plenty of options for everyday outfits. The crew neck and 100% cotton fabric make them a good choice for casual wear, layering and easy-to-style basics.

How this product helps you avoid the pitfall

The 2-pack means you won’t need to keep reordering individual basic T-shirts. The product details include the material, fabric weight of 145 g/m² and care instructions.

Key benefits and features

Two easy-to-style colours, 100% cotton and a choice of sizes from XXS to XXXL, according to the product details.

Ideal for: Quality-conscious shoppers
Nike Sportswear Club T-Shirt Black

Nike Sportswear Club T-Shirt Black

Why this product suits you: This black branded T-shirt has a regular fit and a subtle embroidered Nike logo. Wear it for everyday outfits, streetwear or light sporting activities.

How this product helps you avoid the pitfall

The product page lists the material, fit, care instructions and chest measurements for sizes XS to 4XL. This makes it easier to choose based on practical details rather than the logo alone.

Key benefits and features

100% cotton, Regular Fit, short sleeves and an embroidered logo, according to the product description.

Ideal for: Specific activities and frequent wear
Nike Dry Park 20 T-Shirt in Black

Nike Dry Park 20 T-Shirt in Black

Why this product suits you: This performance T-shirt is designed for anyone looking for a top for training, team sports or regular exercise. The black design works just as well away from the sports field.

How this product helps you avoid the pitfall

The 100% polyester composition clearly sets it apart from cotton T-shirts. The product description highlights its sweat-wicking properties and machine-washable care.

Key benefits and features

Lightweight polyester, stated moisture-wicking properties and size options up to 4XL, according to the product details.

Ideal for: Fans of graphic and band T-shirts
Merchcode ACDC Back in Black Tee T-Shirts Black M

Merchcode ACDC Back in Black Tee T-Shirts Black M

Why this product suits you: This band T-shirt is for anyone choosing a design for casual wear, concerts or streetwear. Its black base goes well with jeans, cargo trousers and jackets.

How this product helps you avoid the pitfall

The product description lists the material, fabric weight of 160 g/m², care instructions and available sizes. That means you can look beyond the front print when choosing.

Key benefits and features

100% cotton, 160 g/m² and a classic fit, according to the product details; also available in white.

Looking for more options?

We’ve put together a complete, regularly updated list of products that meet these strict selection criteria and fully comply with the safety regulations in force in the EU.

Frequently asked questions about buying T-shirts online

What size T-shirt should I order online?

Start by checking your chest measurement against the relevant brand’s size chart. EU, UK and US sizes can differ. If you’re between sizes, think about the cut and how much room you want: a larger size gives you more freedom to move, while a smaller one sits closer to the body.

How long does a T-shirt last?

How long a T-shirt lasts depends on the material, fabric weight, how often you wash it, the washing temperature and how you dry it. Follow the care label, avoid unnecessarily high temperatures and take care with printed or embroidered areas. A T-shirt with a fabric weight of 160 g/m² may feel different to a very lightweight style, but that doesn’t automatically make it more suitable for every use.

Are cotton T-shirts suitable for sport?

Cotton can work well for light exercise and everyday wear. For intense training, a polyester performance T-shirt may be more practical if you want moisture to be drawn away from your skin more quickly. As well as the material, consider the fit, freedom of movement, care requirements and your personal preferences.