Top Gym Apparel Brands for Style and Performance

In recent years, the fitness industry has seen a remarkable evolution, reflected not just in cutting-edge equipment but also in the stylish and functional attire available for gym enthusiasts. Leading the charge are top-tier brands that specialize in activewear designed to enhance performance while ensuring maximum comfort and style. From tried-and-true favorites to innovative newcomers, these brands offer an impressive array of options to suit every preference and workout routine. If you're looking to upgrade your gym wardrobe, check out the list of best brands for gym clothes below.

Illustration of gym clothes

Best brands of gym clothes in 2025

Nike

Nike remains a dominant force in the gym apparel market, boasting a significant global market share of 16.4% as of 2024, down only slightly from 17.1% in 2022. The brand's strong presence is underscored by its 30% market share in the athletic footwear market in 2023, a 2.6% increase from its 27.4% share in 2020. Nike's revenue from footwear alone reached $33 billion in the fiscal year ending in May 2024, highlighting its robust financial performance. Despite recent challenges, Nike's market capitalization stood at $197.43 billion as of February 2023, and it continues to be the most valuable apparel brand overall. The company's ability to produce over 800 million pairs of shoes in 2023 further solidifies its position as a leading producer of gym and athletic apparel. For more information, visit Nike's official website.

Adidas

Adidas is one of the leading producers of gym clothes, boasting a significant market share in the global athletic apparel industry. As of 2023, Adidas reported global net sales of approximately 21.4 billion euros, with footwear comprising 57% of its total sales. The company manufactures substantial volumes, producing around 330 million units of sportswear and 310 million pairs of shoes annually. Adidas holds a strong presence in key markets such as North America and Greater China, which together account for nearly 40% of its annual retail sales. The brand is highly influential in the sports apparel sector, competing closely with rivals like Nike, Puma, and Under Armour. For more detailed insights, visit the Adidas statistics page.

Under Armour

Under Armour has emerged as a leading producer of gym clothes, surpassing Adidas to become the second-largest sports brand in the U.S. by the end of August 2024, with U.S. apparel and footwear sales reaching $1.2 billion. The company's apparel sales account for 14% of the U.S. market, more than twice that of Adidas, and its global net sales have exceeded $5 billion, driven by a growing interest in performance products and an active lifestyle. Under Armour's footwear segment has also seen significant growth, with sales reaching a record $1.45 billion in 2023. The brand has expanded its reach by targeting the women's sports apparel and footwear markets and signing high-profile representatives like Gisele Bundchen. Under Armour's apparel sales make up approximately 66.5% of its worldwide revenue as of the financial year ended March 31, 2024. For more information, visit Under Armour's official website.

Lululemon

Lululemon Athletica is a leading producer of premium gym clothes, known for its high-quality, functional apparel that has garnered significant market share. As of 2022, Lululemon commanded around 6-7% of the global sports apparel market, estimated at $115 billion, with a strong presence in North America where it generated 84% of its revenues. The company has seen impressive growth, with an 11% sales increase in North America in the second quarter of 2023 and a notable expansion in China, where it now operates 127 stores. Lululemon's brand awareness has also been on the rise, particularly in the men's performance wear market, witnessing a 10% increase from 51% to 61% between November 2023 and October 2024. The brand's commitment to community engagement, sustainability, and innovative marketing strategies has solidified its position in the athleisure industry.

Gymshark

Gymshark is a leading producer of gym clothes, founded in 2012 by Ben Francis in Birmingham, UK. The brand has achieved significant growth, with an estimated annual revenue of $634.3 million and a valuation of $1.4 billion. Gymshark serves over 10 million global customers across more than 200 countries and has a strong social media presence, including over 9 million followers on Instagram. The company's success is attributed to its effective influencer marketing and community engagement strategies. In fiscal 2023, Gymshark reported a 15% increase in net revenue to £556.2 million, driven by the relevance and quality of its products. Explore more about their extensive range of gym apparel by visiting their official website.

Reebok

Reebok, a global leader in the fitness industry, is renowned for producing high-quality gym clothes that combine style, comfort, and performance. Since its founding in 1895, Reebok has consistently innovated, introducing the first athletic shoe with a leather toe cap in 1924 and the iconic Freestyle sneaker in 1982, which became a staple in women's fitness. Today, Reebok is part of the Adidas group, further enhancing its reach and innovation. The brand's CrossFit and Nano lines are particularly popular, with the Nano series seeing a significant 20% increase in sales in recent years due to its durability and versatility. Reebok's commitment to sustainability, such as using recycled materials in 50% of its products, also appeals to the environmentally conscious consumer.

Puma

Puma is a prominent player in the global sportswear market, known for its high-quality gym clothes and innovative products. As of 2023, Puma held approximately 2.6% of the $396 billion global sportswear market, with a strong focus on footwear, which accounted for 53% of its sales. The company has seen significant growth since 2014, increasing its annual sales from EUR 3 billion to over EUR 8 billion. Puma collaborates with top athletes and teams globally, enhancing its brand visibility and appeal. Despite lacking a competitive moat, Puma remains a leader in global activewear, with a strong presence in various regions. For more details on Puma's latest initiatives, visit their major brand campaign.

Alo Yoga

Alo Yoga has emerged as a significant player in the athleisure market, known for its trendy and high-quality gym clothes. The brand has seen remarkable growth, with a 276% increase in sales from 3Q21 to 3Q24, outpacing Lululemon's 14% growth in the same period. Alo Yoga now controls 1.3% of the US athleisure market, up from 0.4% in 3Q21, and its products are highly sought after, with a fast sell-through rate of 25.5 days on Poshmark. The brand's success is also attributed to its strong social media presence and influencer-led marketing, with a notable 56% year-over-year growth by December 2022. Alo Yoga's commitment to sustainability and its holistic approach to wellness have further solidified its position as a top choice for gym enthusiasts. For more insights on how Alo Yoga is officially disrupting Lululemon in 2024, explore the detailed analysis.

Fabletics

Fabletics is a leading innovator in the athleisure and activewear market, known for its high-quality, stylish, and affordable clothing. Launched in 2013 by TechStyle Fashion Group, the brand has expanded globally, operating online and through 95 retail locations, with over 2.3 million members in its VIP membership program. Fabletics has seen significant revenue growth, with a 23% increase in revenue tied to search in February 2021 compared to the previous year, and a conversion rate uplift of 3.19% through social proof messaging. For more information about their offerings, visit the Fabletics website.

Champion

Champion is a leading producer of gym clothes, having achieved significant growth with sales exceeding $2 billion by 2013 and a projected goal to reach $3 billion by 2024, driven by a 14% compound annual growth rate (CAGR). The brand has expanded its consumer-direct business at a 61% CAGR globally over the last three years, with online sales growing 34% and own stores increasing by 90%. Champion holds the number two position in units sold and leads in sports bras, with a strong presence in the sweats category, particularly with its iconic Reverse Weave product range. The brand has also seen success through collaborations with fashion influencers and brands like Kith, Supreme, and Off-White, enhancing its lifestyle offerings. Champion's growth is further fueled by its focus on key geographies, including North America, Asia, and Europe. For more details about Champion's offerings, visit their official website.