allbirds Allbirds Tree Flyer Mens 13.5 White Navy Blue Running Shoes Sneakers A11483M135

Allbirds Tree Flyer running shoes in a clean white and navy blue colorway. These performance sneakers feature a breathable FSC-certified eucalyptus tree fiber upper and a bio-based SwiftFoam midsole for high-rebound cushioning. Designed with a flared heel for stability and a recycled polyester heel lining, they offer a sustainable yet technical approach to distance running. The lightweight construction and grippy natural rubber outsole ensure a smooth ride for daily training or casual wear. Keywords: Sustainable, Eco-Friendly, Athleisure, Minimalist, Breathable, Lightweight, Performance, Training, Gym, Bio-based