![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/5Xwy0nUrpMVZd5mve0tiLr/950884165ea2ce7e7ab53ed6e3406eae/TR-Mobile__PDP_BTF-1.jpg)
Tree Upper
Silky And Breezy
Our proprietary knit feels silky smooth, breathable, and pleasantly cool thanks to eucalyptus tree fibre responsibly sourced from FSC® Certified forests.
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Sugarcane Midsole
Sweet On The Planet
Contoured and delightfully bouncy, our Brazilian sugarcane midsole is called SweetFoam®, which is made with the world’s first carbon negative green EVA.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/3pKvnZNTDIwEfBAiQqUGKv/62ddfb766757f6a442f0f159925dedf6/TR-Desktop__PDP_BTF-2.jpg)
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Recycled Laces
Loop And Swoop
Our laces are made from 100% post-consumer recycled polyester. One old plastic bottle becomes one pair of shoelaces.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/3CLeqgsBFXlGKEg516fX8B/1f121f7523896325db13a6fd7c0d3c71/TR-Desktop__PDP_BTF-4.jpg)