Allbirds Tree Dasher 2 Color: Bark Grey (Blizzard sole) Size: 10.5 men's Excellent used condition! New & Improved: Meet The Tree Dasher 2, the next evolution of our best-selling running shoe with lighter, more responsive foam, extra grip, and an improved fit to keep you running and nature winning. Best For: Everyday runs, walks, roads, light workouts No-Slip Heel Fit: Improved heel collar helps lock ankle in place A Cushier Crash Pad: Sportier, angular heel shape softens impact Where It’s Made: Vietnam.