3. Patagonia

Patagonia is known for sustainability, and their activewear line includes pieces made from organic cotton, recycled wool and other eco-friendly materials. They also provide an in-depth sustainability index to track the sustainability of each piece, so you can shop with confidence.

4. Girlfriend Collective

Girlfriend Collective specializes in sustainable activewear and yoga clothes made from recycled plastic bottles. They’ve also recently introduced a line of swimsuits made from fishing nets and other ocean waste, making them one of the most eco-friendly Activewear brands out there.

5. Cuyana

Cuyana makes sustainable activewear and athleisure wear from recycled and organic materials. From yoga pants to bike shorts, their pieces are all ethically made in factories that adhere to sustainability standards.

6. Outerknown

Outerknown makes sustainable activewear and swimsuits from recycled polyester. They also use a range of eco-friendly fabrics like hemp, organic cotton, and Tencel. The brand was founded by world-champion surfer Kelly Slater and sustainability expert John Moore. The pieces are stylish, comfortable, and made to last.