Joybuy Insights

How to choose trainers without making an expensive mistake: a practical guide to comfort, fit and use

A pair of trainers may look great in photos yet disappoint in real life. A narrow fit, poor grip or material that is difficult to care for often only becomes apparent after a few walks. So if you are buying men's trainers, women's trainers or children's trainers online, it is worth looking beyond colour and brand name.

Common pitfalls when buying trainers

1. Focusing only on appearance and brand name

White trainers, blue trainers and designs with eye-catching logos are easy to match with an outfit. However, this tells you little about the fit or intended use. A casual trainer for short distances requires different features from a shoe designed for running, training or long working days.

Always check:

  • the upper material;
  • the sole construction;
  • the fastening and fit;
  • the available size and insole length;
  • the care instructions.

2. Treating “comfort” as a universal feature

Product descriptions often use terms such as comfortable, lightweight or breathable. These are not guarantees that a model will suit every foot. According to PUMA's product information, for example, the Pounce Lite collection features lightweight foam and a rubber PROTREAD sole. These are verifiable product features, but the cushioning you experience also depends on your gait, foot shape and how you use the shoes.

Pay particular attention to the combination of cushioning, flexibility and support. A soft insole can feel pleasant for everyday wear, while a firmer sole profile may provide better grip on wet or uneven surfaces.

3. Ordering your size by guesswork

An EU size is not identical across every brand or model. Children's feet also grow quickly. Measure the foot in centimetres and compare the result with the product's size guide. For children's models, Geox's product information generally recommends around 0.5 to 1 cm of extra room for the toes. If the foot length falls between two sizes, these models list the larger size as an option.

For adults, for example when buying size 42 trainers, checking the insole length remains useful. A model described as “true to size” is not automatically suitable for a wide foot.

Features that deserve priority

Fit and fastening

Laces offer the greatest scope for adjustment, especially on men's trainers and women's trainers worn every day. For young children, elastic laces combined with a hook-and-loop fastening may be more practical. Also check whether the shoe has a regular, narrow or wide fit.

A good fit means that:

  • the heel does not continually lift;
  • the toes can move;
  • there is no pressure point on the instep;
  • the foot does not slide forwards when walking.

Sole, grip and intended use

A rubber outsole can be suitable for everyday wear, but the tread pattern also affects how much grip you get. A flatter tread often suits casual trainers for the city. A deeper tread is more useful on woodland paths or wet, uneven ground.

Not all sporty trainers are running shoes. Check the description: some models are designed for running and training, while others are mainly intended for casual outfits. Do not automatically use a lifestyle model for intense sport.

Materials and care

Textile and mesh can feel more breathable than fully synthetic materials. Leather, suede and nubuck usually require more care. According to the product information, the Geox U Nebula 2.0 combines calf suede and mesh. This model should be cleaned with a soft, damp cloth and is not suitable for machine washing.

The same applies to the PUMA Smash 3.0: according to the product information, wipe stains locally, do not immerse the shoes and allow them to dry naturally. Before buying, check that the care requirements fit your routine. If you often wear your shoes outdoors, it may be better to avoid a model that can only be cleaned with extra care.

Recommended models for different user profiles

Suitable for: Budget-conscious beginners
US POLO ASSN MEN'S TRAINERS ARIS001M/6YM1 WHITE-DARK BLUE 44

US POLO ASSN MEN'S TRAINERS ARIS001M/6YM1 WHITE-DARK BLUE 44

Why it suits this profile: A casual model with white, blue and red accents for everyday wear and easy pairing with jeans or leisurewear.

How this product avoids the pitfall

The product information specifies a regular width, lace fastening and lightly padded insole. This means you can assess the fit more accurately in advance than by looking at the appearance alone.

Key benefit & advantages

Rubber sole, mesh and synthetic leather, regular width and a classic casual shape.

Suitable for: Buyers looking for premium quality
Geox Men's U Spherica E Collection - Nappa+Suede Navy 42

Geox Men's U Spherica E Collection - Nappa+Suede Navy 42

Why it suits this profile: A dark navy model for commuting, casual occasions and smart-casual clothing.

How this product avoids the pitfall

The composition lists leather, textile and synthetic components separately. It also clearly states that washing is not recommended, allowing you to factor care requirements into your decision.

Key benefit & advantages

Nappa and suede upper, textile lining and a sole designed, according to the product information, to absorb shocks.

Suitable for: Specific use & intensive users
PUMA Men's Trainers White-Black-Vibrant Blue-Rickie Orange PUMA Pounce Lite Collection 42

PUMA Men's Trainers White-Black-Vibrant Blue-Rickie Orange PUMA Pounce Lite Collection 42

Why it suits this profile: Designed for running, training and everyday use when you want a lightweight sports shoe.

How this product avoids the pitfall

The product information specifies foam, a rubber PROTREAD outsole, lace fastening and material percentages. This allows you to compare the model more accurately with other sporty trainers.

Key benefit & advantages

58,39% textile and 41,61% synthetic material in the upper according to PUMA; rubber outsole and size 42.

Suitable for: Parents comparing children's shoes
Geox Unisex B Kiddartah B Collection - Nubuck+Nylon Navy/Black 26

Geox Unisex B Kiddartah B Collection - Nubuck+Nylon Navy/Black 26

Why it suits this profile: Designed for young children, with a combination of hook-and-loop fastening and elastic laces for quick fitting.

How this product avoids the pitfall

The recommended extra room of 0.5 to 1 cm helps prevent you from ordering based solely on age or the usual size.

Key benefit & advantages

Nubuck and nylon, rubber outsole, removable insole and a single hook-and-loop fastening.

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 trainers

How do trainers usually fit?

It varies by brand, model and last. Always check the size guide and measure your foot in centimetres. With size 42, the required insole length may differ from one model to another. A regular fit is not automatically suitable for wide feet.

How long do trainers last?

Their lifespan depends on how often you walk, the surface, your body weight, care and intended use. Trainers for everyday wear will wear out more quickly if you also use them for intensive sport. Alternating between two pairs and allowing them to dry naturally can help reduce strain on the materials.

Can you wash trainers in the washing machine?

Not as a general rule. Textile models can sometimes be cleaned at a low temperature according to the care label, but leather, suede and nubuck are usually not suitable for machine washing. Always follow the specific product instructions. If in doubt, spot-cleaning with a soft cloth is the gentler approach.