Allbirds Tree Flyer 2 Review: Extra Crispy Wings - Believe 。Allbirds Tree Flyer 2 running shoes designed for high-performance training and daily jogs. These eco-friendly sneakers feature a breathable eucalyptus tree fiber upper that provides a flexible, sock-like fit. The lightweight SwiftFoam midsole offers responsive cushioning and energy return, while the external heel counter adds stability for a secure stride. Details: Pink and White, Athletic Fit, Eucalyptus Tree Fiber, Bio-based SwiftFoam, Recycled Polyester Laces. Good pre-owned condition. Shows noticeable signs of wear including scuffing and dirt on the midsoles and outsoles. The tread on the bottom shows significant wear and some peeling of the black rubber sections as pictured. Keywords: Allbirds, Tree Flyer 2, Running Shoes, Sustainable, Eco Friendly, Athletic, Gym, Training, Breathable, Lightweight, SwiftFoam, Pink Sneakers, Mens Shoes, Fitness, Jogging Please review carefully before purchasing. Items are stored in a smoke-free environment. Fast Shipping! Orders ship same day or within 1 business day! Thank you for your support.