Allbirds Tree Runners in Dark Brown. Light and Breezy Fan-Favorite Sneaker, Designed for Everyday Wear. This knit feels lightweight, breathable, and pleasantly cool thanks to a tree fiber material blend. Experience the comfort of SweetFoam, the cushioned midsole made from sugarcane, providing all-day happiness for your feet. These shoes are machine washable—just remove the insoles and hand wash them separately—to keep every step as fresh as the first. Women’s size 9. Preowned. Good condition. Don’t have a Poshmark account? Sign up & get $10 off of your first purchase when using my invitation code: MELMCKENZIE