Allbirds Trail Runner SWT
Natural-fiber shoe brand Allbirds has introduced its very first trail running shoe, the Trail Runner SWT. The stylish runner combines Allbirds´ signature materials of sugar, wool and trees (hence the SWT in the name) in an effort to use more earth-friendly materials. The ripstop upper itself is made with wool, eucalyptus tree fiber, and recycled poly, the insole is made out of a castor bean oil-based foam, whilst the outsole is made from natural rubber offering gri...
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