ALLBIRDS Men's Tree Dasher 1 SNEAKERS SZ 9 running shoes. Tree Dasher Highlights Seamless one-piece upper provides maximum comfort Lightly padded heel collar locks ankle in place Reflective details increase visibility for safer runs DETAILS Take casual runs in stride with the original Tree Dasher, a delightfully breezy performance shoe. Made with eucalyptus fiber, it breathes and flexes with your every step. Good for your performance. Good for the planet. The Tree Dasher is a true win-win. Best For: Everyday runs, roads, soft landings Thermoregulating Material: Lightweight, breathable eucalyptus fiber provides next-level comfort Stabilizing Insoles: Contoured cushioning supports every step Sustainable Materials: FSC-certified TENCEL Lyocell (eucalyptus tree fiber) upper SweetFoam® midsole made with sugarcane-based green EVA FSC-certified natural rubber outsole Bio-based nylon eyelets Shoe laces made from recycled plastic bottles Castor bean oil-based insole foam