Joybuy Insights

Under Armour men’s short-sleeved Sportstyle T-shirt: how to choose the right size and style

A sports T-shirt needs to do more than look good in a product photo. If you’re buying an Under Armour men’s short-sleeved Sportstyle T-shirt for the gym, training and everyday wear, the fabric, fit and size are what matter most. Marketing terms such as “quick-drying” or “moisture-wicking” only tell you so much, so check the fabric composition and care instructions too.

As a Joybuy Product Recommendation Officer, I focus on product information you can verify. That way, you’re less likely to pay for a T-shirt that feels too warm during a workout, loses its shape after a few washes or doesn’t fit your body properly.

Common pitfalls when choosing a men’s sports T-shirt

1. Focusing only on the logo or product photo

A well-known brand doesn’t mean every style feels the same. Always check the fabric composition, fit and available sizes. According to the product information, the Sportstyle models in this selection are made from 60% cotton and 40% polyester. That’s different from a pure cotton men’s T-shirt or a technical top made entirely from synthetic fibres.

2. Assuming “breathable” means it will keep you completely cool

A lightweight, breathable men’s T-shirt can feel more comfortable when you’re moving, but the result also depends on the fabric’s thickness, the fit and how hard you’re training. Under Armour’s product descriptions state that various Sportstyle styles are lightweight, quick-drying and moisture-wicking. These claims are based on the brand’s product information; they don’t guarantee the same experience for every wearer.

3. Choosing a size based only on your height

For example, the product information shows a model who is 1.88 metres tall wearing size L. But that doesn’t mean every man of the same height needs a size L. Chest measurement matters more. A T-shirt that’s too tight can restrict your movement, while one that’s too loose may shift around during a workout.

Key specifications to check

Fabric: the comfort of cotton with polyester

The blend of 60% cotton and 40% polyester is designed to combine the soft feel of cotton with qualities associated with polyester in the product information, such as faster drying. If you mainly want a T-shirt for everyday wear, this blend could be a practical middle ground. A fully technical sports T-shirt may feel different during very intense training.

Comfort is the focus of an Under Armour Sportstyle T-shirt. These styles are designed for workouts, training and casual wear. According to the product description, some black-and-white styles also contain at least 40% recycled polyester in the main fabric, excluding trims.

Fit: regular fit

The selected styles have a regular fit. This means a classic cut that shouldn’t cling to your body, but isn’t especially loose either. This fit suits men who want one T-shirt for:

  • weight training and gym sessions;
  • warm-ups and light cardio;
  • shopping, travel or leisure;
  • layering under a hoodie or training jacket.

If you’re after a compression fit, don’t automatically choose a smaller size. It may pull across your shoulders and chest. Instead, check your chest measurement against the size chart.

Size range and chest measurement

The general size chart in the product information runs from XS to XXL:

  • XS: chest 79–86 cm;
  • S: chest 86–94 cm;
  • M: chest 94–104 cm;
  • L: chest 104–112 cm;
  • XL: chest 112–122 cm;
  • XXL: chest 122–132 cm.

Please note: some product pages also use UK and EU size labels. Check the chart on the specific product page before ordering. If you’re between two sizes, your chest measurement and how much room you want around your body are more useful guides than your usual clothing size alone.

Our recommendations for different needs

Suitable for: Budget-conscious beginners
Under Armour Men's Short-Sleeved T-Shirt, Black, Sportstyle Collection, S

Under Armour Men's Short-Sleeved T-Shirt, Black, Sportstyle Collection, S

Why it suits this profile: Size S and the black colour make this a practical choice if you’re looking for a simple men’s sports T-shirt for the gym and everyday wear.

How this product avoids the pitfall

The product information gives the fit as regular, lists sizes by chest measurement and specifies a fabric composition of 60% cotton and 40% polyester. This makes it easier to choose based on more than just appearance.

Key benefits and highlights

Black style, regular fit and, according to the product description, a lightweight, quick-drying design suited to training and casual wear.

Suitable for: Shoppers looking for premium quality
Under Armour Men's Short-Sleeved T-Shirt, Black/White, Sportstyle Collection, L

Under Armour Men's Short-Sleeved T-Shirt, Black/White, Sportstyle Collection, L

Why it suits this profile: This black-and-white style pairs a neutral look with details that work well with both sportswear and casual outfits. According to the size chart, size L suits a chest measurement of 104–112 cm.

How this product avoids the pitfall

The fabric composition and regular fit are clearly stated. According to the product information, the main fabric contains at least 40% recycled polyester, excluding trims.

Key benefits and highlights

60% cotton and 40% polyester, a lightweight construction, a ribbed collar and a colour combination that’s easy to pair with other clothes.

Suitable for: Specific needs and intensive use
Under Armour Men's Short-Sleeved T-Shirt, White/Black, Sportstyle Collection, M

Under Armour Men's Short-Sleeved T-Shirt, White/Black, Sportstyle Collection, M

Why it suits this profile: Size M corresponds to a chest measurement of 94–104 cm. The white base with black details works for training, warm-ups and everyday wear.

How this product avoids the pitfall

The product page specifically lists a regular fit, ribbed collar and low-temperature care instructions. This helps you consider fit and care before you buy.

Key benefits and highlights

According to the product description, it features a cotton-polyester blend, quick-drying and moisture-wicking fabric, odour control and a ribbed collar.

Care tips to help your T-shirt last longer

Care instructions can vary between styles, but the product information generally recommends the following:

  1. Turn the T-shirt inside out and wash it with similar colours.
  2. Use a cold machine-wash cycle.
  3. If needed, use only non-chlorine bleach.
  4. Tumble dry on a low heat.
  5. Don’t use fabric softener.
  6. Don’t iron the T-shirt or dry-clean it.

A cotton men’s T-shirt can shrink or wear out more quickly at high temperatures. Follow the instructions on the product page and care label, especially if you wear the T-shirt several times a week.

Looking for more options?

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

Frequently asked questions

Is an Under Armour Sportstyle T-shirt suitable for the gym?

According to the product descriptions, the short-sleeved styles are designed for workouts, training and everyday wear. The regular fit gives you room to move. For very intense cardio, a purpose-designed technical top in a different fabric may feel more comfortable.

How does an Under Armour men’s T-shirt fit?

The Sportstyle styles listed have a regular fit and are described in the product information as true to size. Compare your chest measurement with the size chart: S is 86–94 cm, M is 94–104 cm, L is 104–112 cm, XL is 112–122 cm and XXL is 122–132 cm.

How do you wash a black, white or grey Under Armour T-shirt?

Turn the T-shirt inside out and wash it on a cold cycle with similar colours. Tumble dry it on a low heat and don’t use fabric softener. It’s best to wash a white style separately or with light colours; black and grey T-shirts tend to keep their appearance better if you don’t wash them with abrasive fabrics.