Brooks has two types of sustainable running shoes, the Green Silence and the Cascadia 6 trail runners. The shoes boast energy saving construction, no hazardous metals in their inks and dyes, 30% recycled rubber, and a biodegradable midsole/insole and tongue, among other planet-friendly materials and features.
Available at zappos.com
, shoebuy.com
, amazon.com, brooksrunning.com