Allbirds Tree Runners offer exceptional comfort with a breathable eucalyptus fiber mesh upper that keeps feet cool during daily activities. These lightweight sneakers feature a cushioned midsole made from sugarcane-based SweetFoam and a flexible design that moves with your natural gait. The minimalist aesthetic and monochromatic black colorway make them a versatile choice for casual wear or travel. These shoes are in good pre-owned condition. Brand: Allbirds Product Type: Sneakers Model: Tree Runners Color: Black Upper Material: Eucalyptus Tree Fiber Sole Material: SweetFoam (Sugarcane) Closure: Lace-Up Features: Breathable, Lightweight, Sustainable Style: Casual, Athletic Toe Shape: Round Keywords: Sustainable Fashion, Eco-Friendly, Minimalist, Breathable, Lightweight, Travel Shoes, Eucalyptus Fiber, SweetFoam, Casual Sneaker, Everyday Wear, Athleisure, Vegan Friendly, Carbon Neutral