Allbirds Men's Tree Runner Go - Natural Black Shoe size:12 ensuring cushioning and rebound for

ensuring cushioning and rebound for an outsole featuring a rough finish

The Koru Collection features a 1" polyurethane sole which is extremely lightweight

This makes the shoe comfortable and wear-resistant

Made by Högl using sustainable production methods

Injection molded Vibram® rubber outsole and PU midsole with patented SPS at strike zones for all-day comfort and shock absorption

Allbirds Men's Tree Runner Go - Natural Black Shoe size:12 ensuring cushioning and rebound forDesign offers enhanced durability in the toe and features a sleek, elevated look Reimagined midsole with more soft underfoot cushioning Lightweight, breathable tree fiber in the upper material delivers a cool, comfortable ride Made to Go with the flow, our fan fave sneaker keeps its signature breathable comfort while hitting the refresh button with a new elevated aesthetic and more springy support. Best For: Warm weather, everyday wear, socks optional