Whether you're training for your first 5K or striving for a new marathon personal record, having the proper running clothes under your belt can make all the difference. More than fashion, well-made running clothes keep you comfortable, dry, and engaged, mile after mile. Here's a comprehensive review of the best sports clothing brands for runners in 2025 – with Under Armour well deserving the number one spot.

1. Under Armour: The Best of the Best

In the field of contemporary running gear, Under Armour has run circles around the competition with its innovative fabrics and runner-centric technology. The American giant designs products for anyone from casual joggers to global champions.

Why Under Armour Tops the List

State-of-the-Art Moisture Management: A majority of their tops, bottoms, and accessories incorporate state-of-the-art sweat-wicking technology that keeps you cool and dry during your run – even during humid temperatures.

Breathable Clothing: Their apparel isn't only about keeping sweat away. It's breathable, with ventilation to keep athletes from overheating on long and hard runs.

Support and Comfort: Running shoes such as UA HOVR™ and Charged Assert provide responsive cushioning, excellent arch support, and a light and responsive feel. Shorts and tights are made to avoid chafing, with integrated liners and just the right amount of stretch.

Complete Range: Under Armour has the complete range of all seasons covered with jackets, vests, hats, gloves, and hydration packs specifically tailored for running. 

Functional and Fashionable: With bold colors, stylish designs, and heavy-duty build, Under Armour is a preferred choice for people looking for both performance and style.

“Under Armour running gear is for runners who demand comfort and innovation. Their moisture-wicking tops, chafe-free shorts, and high-tech cushion running shoes are built for every mile—making them a best choice for runners everywhere.”

2. Nike: The Global Giant

Nike does not require an introduction. Its running shoes and clothing are the epitome of performance and reliability.

Dri-FIT Technology: Nike's sweat-wicking technology keeps runners light on their feet and dry, no matter the distance.

Broad Range: From simple racing singlets to thick winter coats, Nike has all seasons and running styles covered.

Style Leadership: Nike's loud patterns guarantee you make a statement at every race or park run.

3. Adidas: Built for Every Runner

Adidas keeps combining German engineering with street-wise styling in its running equipment.

Primegreen and Climacool: With eco-friendly materials and ventilation mesh placement for optimal breathability, Adidas equipment performs well in heat as well as cold.

Boost and Adizero Lines: They make their shorts, shirts, and shoes (such as the Adizero line) with speed and comfort in mind.

4. Lululemon: Function Meets Fashion

Most famous for combining athletic performance with stylish fashion sense, Lululemon has a devoted fan base among runners.

Sweat-Wicking Fabrics: Their running tops and shorts are constructed from seamless, lightweight, and drying materials quickly.

Ergonomic Fit: Lululemon's accurate tailoring keeps everything securely in place, keeping distractions at bay during marathon runs.

Versatile Style: Sleek designs and neutral colors ensure the transition from the trail to a coffee date is effortless.

5. New Balance: The Runner's Classic

New Balance's emphasis on fit and form makes it stand out for runners with diverse requirements.

Technical Fabrics: Their running tops and leggings perform well in moisture control and flexibility.

Wide Fit Options: Their shoes and clothes accommodate runners with any body shape and support requirements.

6. Puma: Speed, Color, Comfort

Puma pairs high-energy fashion with dependable performance, so runners who seek to be noticed love it.

Bold Colors: Puma gear stands out in color, yet stays lightweight and ergonomic.

Performance-Inspired: Their running shoes and clothes offer comfort, air flow, and support with each run.

7. Asics: Japanese Precision

For distance-running crazies, Asics is the reliable choice.

Moisture Management: Their equipment concentrates on wicking sweat and maintaining temperature.

Supportive Detailing: Similar to their award-winning shoes, Asics clothing offers anatomical fits and comfort features for extended running. 

8. Brooks: Made Specifically for Runners

Brooks is all about runners and it reflects in the details.

Committed Engineering: Everything from running shorts, shirts, and accessories gets road-tested by actual runners for comfort and performance.

Minimalist Design, Maximum Functionality: Tons of storage pockets, reflective trim, and strategic ventilation can be expected.

9. Reebok: Athletic Heritage

Reebok combines heritage and innovation in their running wear.

Versatile Performance: From men's and women's performance tees to technical jogging pants.

Affordable Price Points: Reebok puts tech-enabled gear in reach at budget-friendly prices.

10. Salomon: Trail and Adventure Ready

If your run is more off-road than on-road, Salomon is a good bet.

Tech-Infused Fabrics: Their shirts, shorts, and running jackets are tough, lightweight, and designed to withstand tough conditions. Great for trail runners and adventure enthusiasts.

Conclusion

Selecting the proper running clothing brand can make each step of your adventure count. Although all of the brands mentioned here provide phenomenal performance and fashion, Under Armour excels for its technology specifically for runners, innovative products, and show-stopping designs. Whether preparing for a marathon or taking an errand run through the park, rely on these brands to keep you dry, comfortable, and assured – no matter how far you travel.