Men's Wool & Tree Runner Insoles - Natural Grey YCRF_womens-perform-shoes The Allbirds Tree Runner is

The Allbirds Tree Runner is a breathable and lightweight sneaker made with responsibly sourced eucalyptus tree fibre that feels silky smooth and cool on your skin

with all condition traction to grip slippery surfaces

Made with lightweight and breathable eucalyptus fibre

merino-lined replacement insoles

Made with plant oil-based foam from sustainably grown castor beans

Men's Wool & Tree Runner Insoles - Natural Grey YCRF_womens-perform-shoes The Allbirds Tree Runner isGet the spring back in your step with our high cushion, merino lined replacement insoles. Made with plant oil based foam from sustainably grown castor beans.