Allbirds Just Released Its Lightest Running Shoe Ever。Allbirds Tree Flyer 2 performance running shoes in Natural Black/Blizzard colorway. New in original box, men’s size 12.5. Designed for runners seeking lightweight cushioning and energy return, the Tree Flyer 2 features a breathable eucalyptus fiber upper, responsive SweetFoam® midsole, and durable traction outsole. Comfortable enough for daily training, walking, travel, and all-day wear. Features: * Men’s size 12.5 US * Tree Flyer 2 model * Natural Black / Blizzard colorway * Lightweight breathable knit upper * SweetFoam® cushioned midsole * Responsive running design * Lace-up closure * Pull tabs at heel and tongue * Durable traction outsole * Sustainable materials * New in original box Condition: New with box. Please review all photos for details and condition. Allbirds Tree Flyer 2, Allbirds running shoes, men’s running shoes, sustainable sneakers, athletic shoes, performance running shoes, eucalyptus fiber shoes, SweetFoam, lightweight trainers, black running shoes, men’s sneakers, gym shoes, walking shoes, travel shoes, size 12.5 men’s