Allbirds Sneakers Men Size 12 Tree Dashers Running Comfort 。Allbirds Tree Dashers in a sleek black and white colorway offer a performance-oriented design crafted from sustainable eucalyptus tree fiber. These running shoes feature a breathable one-piece knit upper that provides a flexible, sock-like fit, complemented by a cushioned dual-density SweetFoam midsole for optimal energy return. The contoured footbed and flared outsole ensure stability during workouts or daily wear, while the signature wool heel lining adds extra comfort and a secure lockdown. Finished with durable FSC-certified natural rubber traction pads for reliable grip on various surfaces. Great overall condition, minimal wear. Light pilling in heel cup area. Insoles not included