If You Care About the Environment, These Are the Activewear Brands You Should Be Wearing

Sometimes your inspiration is all around you. For Allbirds founder Tim Brown, that means the sheep that roam his home country of New Zealand. After teaming up with renewables expert Joey Zwillinger, the two created a line of footwear out of all-natural merino wool. But we're not talking about your grandmother's wool — Allbirds' merino wool is temperature-regulating, moisture-wicking, and totally breathable, resulting in exceptionally comfortable shoes.

Try these: Women's Wool Runners ($95)