September 29, 2025
Staying true to their roots in innovations, activewear brands are leading the change when it comes to integrating sustainable practices, setting a precedent for the wider field of fashion.
As September’s fashion weeks put the spotlight on creativity, craftsmanship, and the evolution of trends, behind the scenes activewear brands are quietly but powerfully making headway in the realm of sustainability, and in many instances outpacing their high-fashion counterparts. With a history rooted in performance, innovation, and functionality, activewear brands are embracing advanced materials, circular production models, and eco-driven supply chains to connect with a new generation of consumers looking to combine style with sustainability.
Unlike the large scale fashion houses we’ve seen across the catwalks, which are often tied to seasonal cycles and complex manufacturing legacies, many activewear brands are more agile, excited by innovation, and built with sustainability at their core.
Below, we outline the 5 brands in the activewear space, making sustainability a top priority.
PANGAIAUK-based PANGAIA has embedded sustainability throughout its processes, across science, design, materials, and its overall business model, in turn setting a new benchmark for innovation in apparel. Since its founding in 2018, the brand has become a leader in sustainable activewear, pushing a materials science-led approach to environmental responsibility. Its collections focus on timeless silhouettes and elevated basics designed for longevity, helping reduce overconsumption and the need for frequent repurchasing.
At the core of PANGAIA’s innovation is the development of bio-based and regenerative fibres, such as its trademarked C-FIBER™—a soft, biodegradable fabric made by blending seaweed with eucalyptus pulp, and produced using significantly less water and energy than conventional cotton. The brand’s 365 Seamless Activewear line also reflects this commitment, crafted from bio-based nylon derived from castor beans and a renewable elastane Bio Max, together offering a lower carbon footprint than traditional synthetic alternatives.
ECOALFFounded in Madrid in 2009, EcoAlf has grown to become a leader in sustainable activewear and outdoors apparel. Embedding sustainability into every aspect of its process, from R&D to sourcing, design and retail, the brand was born with a mission to create clothing, accessories, and activewear made entirely from recycled or upcycled materials without compromising on performance or style.
Over the years, EcoAlf has developed hundreds of innovative fabrics made from reclaimed plastic bottles, fishing nets, and other forms of waste, transforming them into durable, functional apparel. One of its most impactful initiatives,Upcycling the Oceans, turns marine debris into textile fibres, helping reduce ocean pollution and resource use. A recent partnership with Satlink has enhanced this effort, using GPS tracking to locate waste which has resulted in the recovery of over 250 tonnes of marine litter since 2023. Additionally, EcoAlf is advancing circularity through monomaterial design, with 68% of its Spring/Summer 2025 collection made from single-material fabrics to improve recyclability and reduce landfill.
VAUDEFounded in 1974 in Germany, VAUDE has become a benchmark for sustainability in the activewear and outdoor industry. The brands Green Thread strategy embeds environmental and social responsibility through every stage of the business, from design and material sourcing to production and aftercare, creating a holistic and transparent approach to sustainability that has made VAUDE a leader.
Since 2022, all VAUDE products have been manufactured climate-neutral, with the brand committed to cutting emissions by 50% by 2030 and achieving net zero by 2040. GThe brand's in-house “Green Shape” label guarantees products are made with over 50% recycled or bio-based materials and are designed to be recyclable and repairable. Beyond the product itself VAUDE has also been recognised by Fair Wear for over a decade, reflecting the brands dedication to fair working conditions across its supply chain. Environmentally, it avoids harmful substances like PVC, uses innovative low-impact manufacturing techniques, and repurposes leftover materials through upcycling workshops.
BAM ClothingSince its inception in 2006, UK based BAM Clothing has established itself as a leader in sustainable activewear. The brand specializes in creating high-performance clothing made primarily from bamboo fabric, renowned for its softness, moisture-wicking properties, and natural antibacterial qualities.
BAM's commitment to sustainability extends beyond product design with the company aiming to achieve a net-positive environmental impact by 2030. This goal includes reducing carbon emissions to zero, eliminating waste and pollution, and ensuring fair treatment and compensation for all workers in their supply chain. The brand's mission for transparency is evident through initiatives like BAM DNA, allowing customers to trace the journey of their garments via QR codes. As a certified B Corp, BAM demonstrates a strong commitment to social and environmental performance, accountability, and transparency. Through these efforts, BAM Clothing continues to set a high standard for ethical and sustainable practices in the activewear industry.
Houdini SportswearWith a long standing mission to make sustainable change, Houdini was founded in 1993 in Stockholm, Sweden, and has been making an impact ever since. The brand established itself as a leader in sustainable activewear by integrating circular design principles across the company and its processes. Houdini’s commitment to sustainability is evident in its use of 100% recycled, recyclable, renewable, biodegradable, or Bluesign® certified fabrics across its entire collection.
Houdini's dedication to environmental responsibility extends beyond product design. The company has phased out harmful chemicals like PFAS from its garments, with all products being PFAS-free since 2018. In addition, Houdini encourages product longevity through repair services and offers recycling options for worn-out garments to keep them in use for longer, a move which puts their mission first.
To further enhance transparency and traceability, Houdini has implemented Gerber Technology’s YuniquePLM software, enabling efficient and sustainable product lifecycle management. With these initiatives, Houdini continues to set a high standard for sustainability in the activewear industry, and beyond.
KIRPTE, UAB, founded in 1997, fully owned Lithuanian garment manufacturer with own factories in Lithuania together with a partner factory in Moldova specialized in technical sportswear & leisure wear. Technologies available; sublimation, bonding, laser cutting, ultrasonic, taping, embossing etc.
