Allbirds Launches the Tree Flyer 2: Shop the Newest Sustainable Running Shoe

etonline.com:

Tree Flyer 2. An update to Allbirds' beloved running sneaker, the Tree Flyer 2 has more stability, support, and grip to keep you moving mile after mile.Bring the fun to any run with the Tree Flyer 2.

The seriously springy running shoe is back with increased stability, support, and grip.The Tree Flyer 2 is now available in six different colors.Whether you're running a 10K or around the block, the Tree Flyer 2 has a comfortable, lightweight, and responsive design.

Allbirds reimagined the shoe's eucalyptus tree upper with flexible, breathable stretch and a tighter knit in the midfoot to help lock it into place.For added grip, Allbirds updated updated the outsole with a natural rubber compound and lug pattern that functions like teeth on the road to help provide improved traction — especially on wet surfaces.As always, Allbirds' commitment to sustainability is reflected in the brand's latest drop.

To create the sneaker's SwiftFoam midsole, Allbirds uses a first-of-its kind, one step foaming process. According to Allbirds, it is the lowest energy midsole production process on the market.