Joybuy Insights

Buying clothes online: how to choose comfortable, well-fitting items without costly mistakes

Buying clothes online may seem straightforward, but a polished product photo does not always tell the whole story. Trousers may look roomy on screen but feel tight in reality. A T-shirt may appear soft, yet lose its shape after a few washes. Terms such as “comfortable”, “sporty” and “sustainable” are also difficult to assess without specific details.

With this practical checklist, you can compare men’s underwear, loungewear, leggings and casual clothing based on the features that matter in everyday use.

Common pitfalls when buying clothes online

1. Relying solely on letter sizes

An S, M or XL is not the same size across every brand. One brand’s M may correspond to a different chest or waist measurement. For children’s clothing, height is also an important factor. Always check the size chart for the specific product and compare it with a garment that fits well.

For children’s leggings and girls’ leggings, the combination of height, waist and age is particularly important. Age indications are a guideline; children do not all grow according to the same size scale.

2. Confusing marketing language with product information

“Ultra-soft”, “premium” or “sporty” tells you very little without information about the material, seams, waistband and care requirements. Instead, look for verifiable details:

  • the fibre composition, such as cotton, polyester or elastane;
  • the available size and measurements;
  • the type of fit;
  • the washing and drying instructions;
  • the number of items in the pack.

If a brand makes a particular performance claim, such as providing extra comfort during sport, treat it as a brand claim. According to the brand’s own research, such a statement may apply under certain conditions, but the experience varies depending on the wearer and the fit.

3. Underestimating care requirements

A garment that can only be washed at a low temperature or cannot be tumble-dried requires more attention. That does not have to be a problem, as long as you know this in advance. Elasticated fabrics and waistbands can particularly lose their shape through high heat or incorrect drying.

The key specifications to check

Material and stretch

For everyday underwear, a combination of a soft base fibre and elastane can be practical. Elastane generally provides stretch, but the exact feel also depends on the weave and construction. The Urban Classics Nirvana T-shirt, for example, lists 95% cotton and 5% elastane. This gives you concrete information about the fabric composition rather than just a general comfort claim.

For a women’s loungewear set, it is not only the material that matters, but also the fabric weight, waistband finish and freedom of movement. Product information may vary between sizes, so check the variant you have selected.

Fit and waistband

For men’s trunks or men’s underwear, the leg length and waistband have a major impact on comfort. A waistband that is too tight can dig in, while a fit that is too loose may move around during activity. Look for terms such as trunks, boxers or close-fitting and compare them with styles you already find comfortable.

According to the product description, the Reebok 3-pack of boxers has a flexible waistband and is designed for everyday wear and sports activities. These are product specifications and intended uses stated in the available information; the actual fit still depends on the size selected and your body shape.

Sizing for children

The Chicco leggings in size 104 list a height of 104 cm, along with a chest measurement of 58 cm, waist measurement of 55 cm and hip measurement of 62 cm in the size chart. Use this type of information as a starting point and measure the child if you are unsure which size to choose.

For sportswear or clothing worn over another layer, you may want a little extra room to move. With underwear, excess fabric or an overly loose waistband is generally less practical.

Recommendations by user profile

Suitable for: Budget-conscious beginners
Reebok RBK SPORTS TRUNKS MED BENJI-BLACK/ACID YELLOW PRINT/GREY-M

Reebok RBK SPORTS TRUNKS MED BENJI-BLACK/ACID YELLOW PRINT/GREY-M

Why it suits this profile: A 3-pack is practical when you need several everyday changes without having to select individual pairs of boxers. The product description mentions everyday wear and sports activities.

How this product avoids the pitfall

The number of items, size and washing instructions are clearly stated in advance. However, check the label before washing the product.

Key benefit & advantages

3 items per pack; flexible waistband according to the product description; size M.

Suitable for: Shoppers looking for top quality
WRANGLER WRA TRUNKS CANVA-WHITE/PRINT/NAVY-M

WRANGLER WRA TRUNKS CANVA-WHITE/PRINT/NAVY-M

Why it suits this profile: These Wrangler boxers are designed with a close fit for everyday wear, work and active days.

How this product avoids the pitfall

The product information mentions a smooth finish, elasticated waistband and care instructions. This allows you to look beyond the brand image alone.

Key benefit & advantages

Close fit; smooth finish; elasticated waistband; size M.

Suitable for: Specific uses & intensive users
CHICCO TRACKSUIT BOTTOM LEGGINGS 104 ORANGE PRINTED

CHICCO TRACKSUIT BOTTOM LEGGINGS 104 ORANGE PRINTED

Why it suits this profile: A targeted choice for children who need freedom of movement for everyday play or an active outfit.

How this product avoids the pitfall

The size chart gives the height and measurements for each size. This means you do not have to rely solely on the age indication.

Key benefit & advantages

Size 104; orange print; specific chest, waist and hip measurements in the product table.

Suitable for: Casual clothing fans
Urban Classics Merchcode Lithium Series Nirvana Band Print Short Sleeve T-Shirt

Urban Classics Merchcode Lithium Series Nirvana Band Print Short Sleeve T-Shirt

Why it suits this profile: The Nirvana T-shirt works well with a casual wardrobe and is easy to combine with jeans, shorts or a cardigan.

How this product avoids the pitfall

The fabric composition and size range are stated. Also check that size XL and the desired fit are suitable for your measurements.

Key benefit & advantages

95% cotton and 5% elastane; short sleeves; band print; size XL.

Looking for more options?

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

Check this before you order

Use this quick checklist on the product page:

  1. Size: compare the chest, waist, hip or height measurements with your own measurements.
  2. Fit: choose close-fitting, regular or roomier based on how you plan to use the item.
  3. Material: check the fibre composition and the proportion of elastane.
  4. Quantity: for a multipack, such as a Reebok 3-pack of boxers, check the total number of items.
  5. Care: read the washing, drying and ironing instructions.
  6. Use: distinguish between comfortable clothing for lounging at home and sportswear for active movement.
  7. Returns policy: check the terms before ordering underwear or clothing.

Frequently asked questions about buying clothes online

How do I determine my clothing size when ordering online?

Measure the relevant parts of your body with a flexible tape measure and compare the results with the size chart on the product page. For T-shirts, chest measurement and length are usually important. For boxers, waist measurement is the main consideration. For children’s leggings, height and waist measurement are often decisive.

How long will clothes bought online stay looking good?

This depends on the material, use and care. Wash items according to the product label, avoid unnecessarily high temperatures and only use a tumble dryer when permitted. Elasticated clothing and prints can change more quickly when frequently exposed to heat or intense friction.

Is buying clothes online cheaper than shopping in a store?

This varies by item and offer. Online, it is easier to compare prices, materials, sizes and multipacks. Remember to include any delivery costs and check the returns policy in advance. A slightly lower price is not practical if the size does not fit or the care requirements do not suit your routine.