A great workout shouldn’t come at the planet’s expense. These 10 activewear brands prioritize lower-impact materials, fair labor, and transparent practices—without sacrificing performance. Each pick includes quick highlights and sources so you can verify the claims yourself. What we looked for: Recycled or preferred fibers (e.g., recycled polyester/nylon, TENCEL Lyocell, organic cotton) Independent certifications (e.g., Fair Trade, GOTS, bluesign, OEKO‑TEX, Climate Neutral, B Corp) Repair or take‑back programs and credible impact reporting At a glance: Patagonia, prAna, Girlfriend Collective, Wolven,...