Allbirds Womens Tree Dasher Mirage Running Shoes Size 8.5good Preowned condition, gently used DETAILSTake casual runs in stride with the original Tree Dasher 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 Material: Lightweight, breathable eucalyptus fiber provides next- level comfort